Properties of the Number 31048

Thirty-One Thousand Forty-Eight

Basics

Value: 31047 → 31048 → 31049

Parity: even

Prime: No

Previous Prime: 31039

Next Prime: 31051

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 3881

Divisors: 1, 2, 4, 8, 3881, 7762, 15524, 31048

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100101001000

Octal: 74510

Duodecimal: 15B74

Hexadecimal: 7948

Square: 963978304

Square Root: 176.20442673213407

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 stacks, or planar partitions of n; also number of weakly unimodal compositions of n. A1523

Numbers n such that σ(n+2) - σ(n) = n + 2. A246852

Number of integer partitions of n in which the even parts appear as often at even positions as at odd positions. A300787

Bisection of A001523. A100506

Number of ways of partitioning the set of the first n positive squares into two subsets whose sums differ at most by 1. A307877

Number of solutions to +-1² +- 2² +- 3² +- ... +- n² = 0 or 1. A350403

Number of solutions to +- 1² +- 2² +- 3² +- ... +- n² = 1. A369730

Number of 6-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187176

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood. A270280

T(n,k) is the number of n-step left-handed knight's tours (moves only out two, left one) on a k X k board summed over all starting positions. A187172