Properties of the Number 23154

Twenty-Three Thousand One Hundred Fifty-Four

Basics

Value: 23153 → 23154 → 23155

Parity: even

Prime: No

Previous Prime: 23143

Next Prime: 23159

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 17 × 227

Divisors: 1, 2, 3, 6, 17, 34, 51, 102, 227, 454

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101001110010

Octal: 55162

Duodecimal: 11496

Hexadecimal: 5a72

Square: 536107716

Square Root: 152.16438479486584

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

Permutations of 12345: Numbers having each of the decimal digits 1,...,5 exactly once, and no other digit. A178475

Dirichlet g.f.: ∏_k>=2 1 / (1 - k^-s)^binomial(k+4,5). A344205

Number of edges in a hexagon when n internal hexagons are drawn between the 6n points that divide each side into n+1 equal parts. A357198

Number of homeomorphically irreducible multigraphs (or series-reduced multigraphs or multigraphs without nodes of degree 2) on 4 labeled nodes. A60534

Numbers k such that A360327(k) = A360327(k+1) > 1. A360358

Number of -n..n arrays x(0..4) of 5 elements with zero sum, and adjacent elements not equal modulo three (with -1 modulo 3 = 2). A199912

Number of (n+1)X(n+1) -6..6 symmetric matrices with every 2X2 subblock having sum zero and two, three or four distinct values. A211260

σ(n)-n values in A085844. A216383

Derangements of {1,2,...,n} (n >= 2) in lexicographic order. A320588

Number of permutations of 1..n containing the relative rank sequence { 23145 } at any spacing. A158423