Properties of the Number 31316

Thirty-One Thousand Three Hundred Sixteen

Basics

Value: 31315 → 31316 → 31317

Parity: even

Prime: No

Previous Prime: 31307

Next Prime: 31319

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7829

Divisors: 1, 2, 4, 7829, 15658, 31316

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111101001010100

Octal: 75124

Duodecimal: 16158

Hexadecimal: 7a54

Square: 980691856

Square Root: 176.96327302578916

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

Numbers that are the sum of seven fourth powers in exactly seven ways. A345829

Number of partitions of n into at most 11 parts. A8640

Molien series for A₁₁. A8634

a(n) = 247·2ⁿ - 300. A278123

Numbers k such that 189·2^k-1 is prime. A50846

Numbers k such that 7·R_k + 3·10^k - 4 is prime, where R_k = 11...11 is the repunit (A002275) of length k. A259125

Floor(1/(π - n·sin(π/n))). A248358

Square array read by antidiagonals downwards: T(n,k) is the number of sequences of length n with terms in 1..k such that no iterated difference is zero, n, k >= 0. A350529

Position of n-th 3 in A031312. A31316