Properties of the Number 31273

Thirty-One Thousand Two Hundred Seventy-Three

Basics

Value: 31272 → 31273 → 31274

Parity: odd

Prime: No

Previous Prime: 31271

Next Prime: 31277

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 11 × 2843

Divisors: 1, 11, 2843, 31273

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101000101001

Octal: 75051

Duodecimal: 16121

Hexadecimal: 7a29

Square: 978000529

Square Root: 176.84173715500535

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

a(n) = 2·a(n-1) + 7·a(n-2), with a(0) = 0, a(1) = 1. A15519

The number of tilings of an 8 X n floor with 1 X 4 tetrominoes. A236582

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,1,3}. A79957

A linear combination of A008292 and A130595: t(n,m)=2·A008292(n,m)- A130595(n,m). A141903

Square array T(m,n) read by antidiagonals: T(m,n) = number of ways a knight can reach (0, 0) from (m, n) on an infinite chessboard while always decreasing its Manhattan distance from the origin, for nonnegative m, n. A356359

Position of n-th 3 in A031269. A31273