Properties of the Number 31144

Thirty-One Thousand One Hundred Forty-Four

Basics

Value: 31143 → 31144 → 31145

Parity: even

Prime: No

Previous Prime: 31139

Next Prime: 31147

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 17 × 229

Divisors: 1, 2, 4, 8, 17, 34, 68, 136, 229, 458

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100110101000

Octal: 74650

Duodecimal: 16034

Hexadecimal: 79a8

Square: 969948736

Square Root: 176.47662734764623

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 non-self-conjugate partitions of n. A330644

O.g.f. A(x) satisfies: [xⁿ] exp( n·x*A(x) ) * (n² + 1 - A(x)) = 0 for n >= 0. A305115

a(2·n+1) = 7·a(n), a(2·n+2) = 8·a(n) + a(n-1). A116554

Triangle of numbers relating two sequences A073155 and A073156. A73153

Short leg of primitive Pythagorean triangles having legs that add up to a square, sorted on hypotenuse. A89547

Number of permutations of [n] that avoid the shuffle pattern s-k-t, where s = 1 and t = 123. A324131

Number of length-n binary strings w with the property that if·is a subword of w and |x| >= 6, then·reversed is not a subword of w. A330012

Numbers n such that n! has a record number of zeros. A31144