Properties of the Number 22631

Twenty-Two Thousand Six Hundred Thirty-One

Basics

Value: 22630 → 22631 → 22632

Parity: odd

Prime: No

Previous Prime: 22621

Next Prime: 22637

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 53 × 61

Divisors: 1, 7, 53, 61, 371, 427, 3233, 22631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100001100111

Octal: 54147

Duodecimal: 1111B

Hexadecimal: 5867

Square: 512162161

Square Root: 150.4360329176491

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

Triangle read by rows of differences of reciprocals of unity. A8969

Numbers k such that the decimal expansions of both k and k² have 1 as smallest digit and 6 as largest digit. A257197

a(n) = A341529(n) - A341528(n) = (σ(n)*A003961(n)) - (n*σ(A003961(n))). A341512

Triangle from inverse scaled Pochhammer symbols. A112492

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw. A253375

Expansion of 1/((1-2x)(1-3x)(1-6x)). A1240

Differences of reciprocals of unity. A1238

Expansion of x/(1 - 7·x - 4·x²). A15561

Expansion of 1/(1-x-x⁵-x⁶). A121832

Graham-Sloane-type lower bound on the size of a ternary (n,3,6) constant-weight code. A30506