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616 (Six hundred sixteen in American English, Six hundred and sixteen elsewhere) may have been the original Number of the Beast in Christian mythology, in the Book of Revelation. Different early versions of the Book of Revelation gave different numbers, and 666 had previously been widely accepted as the oldest and original number. In 2005, however, an early fragment of papyrus was rev ...
Six hundred is the natural number following five hundred and ninety-nine and preceding six hundred and one. It is a pronic number and a Harshad number.
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600 and below is considered a poor credit score.
For the year AD, see 600.
601 prime number, centered pentagonal number
602 = 2 × 7 × 43, nontotient
603 = 32 × 67, Harshad number
604 = 22 × 151, nontotie ...
64 (sixty-four) is the natural number following 63 and preceding 65.
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64 number - In mathematics.
Sixty-four is the square of 8 and the cube of 4. It is the smallest number with exactly seven divisors. It is the lowest positive power of two that is adjacent to neither a Mersenne prime nor a Fe ...
666 is the Number of the Beast in most versions of the Christian Bible, in the Book of Revelation.
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666 number - In mathematics.
666 is an abundant number. It is the sum of the squares of the first seven prime numbers.
Since 36 is both square and triangular, 666 is the sixth number of the form n2(n2 + 1) / 2 (triangular squares) a ...
69 is the natural number following 68 and preceding 70.
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69 number - In mathematics.
Because 69 has an odd number of 1s in its binary representation, it is sometimes called an "odious number" (see Thue-Morse sequence).
It is the largest number whose factorial is less than 10100 (69! ≈ 1. ...
50 (fifty) is the number following 49 and preceding 51.
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50 number - In mathematics.
Fifty is the smallest number that can be written as the sum of two squares in two distinct ways: 50 = 12 + 72 = 52 + 52. It is also the sum of three squares ...
Five hundred is the natural number following four hundred and ninety-nine and preceding five hundred and one.
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500 number - Mathematical properties.
500 is a Harshad number.
500 number - Other fields.
Five hundred is also
a car, the Ford Five Hundred
a card game, see 500 (card game)
an outdoor ball/frisbee game, ...
46 is the natural number following 45 and preceding 47.
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46 number - In mathematics.
Forty-six is a Wedderburn-Etherington number, an enneagonal number and a centered triangular number.
46 number - In science.
The atomic number of palladium
The numbe ...
45 is the natural number following 44 and followed by 46.
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45 number - In mathematics.
Forty-five is a triangular number, a hexagonal and 16-gonal number, a Kaprekar number and a Harshad number.
45 number - In astronomy.
Messier object M45, a magnitude 1.4 op ...
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47 is the natural number following 46 and followed by 48.
47 number - In mathematics.
Forty-seven is the 15th prime number, a safe prime, a supersingular prime, and the 6th Lucas prime. 47 is a highly cototient number. It is an Eisenstein prime with no imaginary part and real part of t ...
48 is the natural number following 47 and preceding 49.
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48 number - In mathematics.
Forty-eight is the double factorial of 6, four dozens, a highly composite number, a 17-gonal number and a Harshad number.
48 is the smallest number with exactly ten divisors.
There are 11 solutions to t ...
700 (seven hundred) is the natural number following 699（six hundred ninety-nine） and preceding 701（seven hundred one）.
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It is the sum of four consecutive primes (167 + 173 + 179 + 181). It is a Harshad number.
700 is also:
The year AD, see 700.
The decade beginning in the year 700 BC, see 700s BC.
A television show aired on the Christian ...
44 is the natural number following 43 and preceding 45.
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44 number - In mathematics.
Forty-four is a tribonacci number and an octahedral number.
44 number - In science.
The atomic number of ruthenium
In astronomy,
Messier obj ...
70 (seventy) is the natural number following 69 and preceding 71.
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70 number - In mathematics.
70 is a Pell number and a Harshad number. Its factorization makes it a sphenic number. It is the seventh pentagonal number and the fourth 13-gonal number, as well as a pentatope number. It ...
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12 (twelve) is the natural number following 11 and preceding 13.
A group of twelve things is called a Duodecad.
12 number - In mathematics.
Twelve is a composite number, the smallest number with exactly six divisors, its proper divisors being 1, 2, 3, 4 and 6. Twelve is also a highly composite ...
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99 (ninety-nine) is the natural number following 98 and preceding 100.
99 number - In mathematics.
Ninety-nine is the ninth repdigit, a palindromic number and a Kaprekar number.
99 number - In astronomy.
Messier object M99, a magnitude 10.5 spiral galaxy in the co ...
49 is the natural number following 48 and preceding 50.
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49 number - In mathematics.
Forty-nine is the square of 7. It is a centered octagonal number, and a Somer pseudoprime based on 8.
It appears in the Padovan sequence, preceded by the terms 21, 28, 37 (it is the sum of the first two of the ...
21 (twenty-one) is the natural number following 20 and preceding 22.
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21 number - In sports.
Great twenty-ones include Mike Eruzione of the 1980 Men's Gold Olympic Hockey Team, Roberto Clemente, Hall-of-Famer of the Pittsburgh Pirates and Peter Forsberg, a great hockey player for the Quebec Nordiques, Colora ...
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1000 (one thousand) is the natural number following 999 and preceding 1001.
1000 number - In mathematics.
The decimal representation for one thousand is a one followed by three zeroes.
In scientific notation, it's written as 1 × 103.
The SI prefix for a thousand is "kilo-".
This is also abbreviated as k: 30,000 can be written 30k
A millennium has 1000 ...
43 is the natural number following 42 and preceding 44.
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43 number - In mathematics.
Forty-three is the 14th smallest prime number. The previous is forty-one, with which it comprises a twin prime, the next is forty-seven. 43 is a centered heptagonal number. 43 is the smallest prime that is not a Chen prime.< ...
