Properties of the Number 31164

Thirty-One Thousand One Hundred Sixty-Four

Basics

Value: 31163 → 31164 → 31165

Parity: even

Prime: No

Previous Prime: 31159

Next Prime: 31177

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7 ² × 53

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111100110111100

Octal: 74674

Duodecimal: 16050

Hexadecimal: 79bc

Square: 971194896

Square Root: 176.53328298085887

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

Constant term of the reduction by x²->x+1 of the polynomial p(n,x) defined below in Comments. A192749

Triangle read by rows, T(n,k) = n!*B(n,k) for n>=0 and 0<=k<=n, where B(n,k) is the Bell matrix with generator 1/j for j>=1. A265607

Numbers having four 6's in base 9. A43480

Irreducible Euler sums of weight 8 and depth 10+2n. A31164

Irregular table read by rows: T(n,k) is the number of k-sided regions, k>=3, in the hyperoctahedral (or cocktail party) graph of order n. A368758