Properties of the Number 31166

Thirty-One Thousand One Hundred Sixty-Six

Basics

Value: 31165 → 31166 → 31167

Parity: even

Prime: No

Previous Prime: 31159

Next Prime: 31177

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 15583

Divisors: 1, 2, 15583, 31166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100110111110

Octal: 74676

Duodecimal: 16052

Hexadecimal: 79be

Square: 971319556

Square Root: 176.53894754416092

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of partitions of n in which number of parts is not 2. A58984

Number of integer partitions of n that are not of length 2 and do not contain n/2. A365825

Numbers n such that 125·2ⁿ-1 is prime. A50588

a(n) = prime(n+4) - prime(n). A31166

G.f. A(x) satisfies A(x) = 1/A(-x·A(x)) such that [x^2·n+1] A(x)ⁿ = 0 for n >= 0, with A(0) = A'(0) = 1. A377251