111 is the natural number following 110 and preceding 112. << 110 111 112 113 114 115 116 117 118 119 >> List of numbers -- Integers << 100 110 120 130 140 150 160 170 180 190 >> 111 number - In mathematics. One hundred eleven is R3 or the second repunit, a number like 11, 111, or 1111 that consists of repeated units, or 1's. It equals 3 x 37, therefore all tripl ...

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One hundred eleven is R3 or the second repunit, a number like 11, 111, or 1111 that consists of repeated units, or 1's. It equals 3 x 37, therefore all triplets (numbers like 222 or 666) in base ten are of the form 3n x 37. All triplets in all bases are multiples of 111 in that base, therefore the number represented by 111 in a particular base is the only triplet that can ever be prime. "111" is not prime in base ten, but is prime in base two, where 111 = 7 in base ten. It is also prime in these ...

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111 number, 111 number - In mathematics, 111 number - In other fields

Read more here: » 111 number: Encyclopedia II - 111 number - In mathematics