Properties of the Number 23231

Twenty-Three Thousand Two Hundred Thirty-One

Basics

Value: 23230 → 23231 → 23232

Parity: odd

Prime: No

Previous Prime: 23227

Next Prime: 23251

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 13 × 1787

Divisors: 1, 13, 1787, 23231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101101010111111

Octal: 55277

Duodecimal: 1153B

Hexadecimal: 5abf

Square: 539679361

Square Root: 152.41719063150325

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 such that the digital sum base 2 and the digital sum base 3 and the digital sum base 10 all are equal. A135120

Sum of the fifth largest parts of the partitions of n into 10 parts. A326594

Expansion of ∑_n>=0 xⁿ * ∑_k=0..n C(n,k)² * x^4·k. A246884

Rounded volume of a regular icosahedron with edge length n. A71402

Riordan array (1/(1-xc(2x)),xc(2x)/(1-xc(2x))), c(x) the g.f. of A000108. A110506

E.g.f.: -exp(-x/(1-2·x))/(1-2·x). A25166

Triangle, read by rows, that transforms the (n+m)-dimensional partitions of n into the (n+m+1)-dimensional partitions of n, for fixed m. A96801

Riordan array (1/(1+xc(-2x)), xc(-2x)/(1+xc(-2x))), c(x) the g.f. of A000108. A114189

Denominators of continued fraction convergents to sqrt(527). A42009

a(n) = 48·n² - 1. A65532