Properties of the Number 23415

Twenty-Three Thousand Four Hundred Fifteen

Basics

Value: 23414 → 23415 → 23416

Parity: odd

Prime: No

Previous Prime: 23399

Next Prime: 23417

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 223

Divisors: 1, 3, 5, 7, 15, 21, 35, 105, 223, 669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101101110111

Octal: 55567

Duodecimal: 11673

Hexadecimal: 5b77

Square: 548262225

Square Root: 153.01960658686846

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

Constant term of the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192973

Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime. A104972

a(n) equals the (n*(n+1)/2)-th partial sum of the self-convolution cube of A010054, which has the g.f.: ∑_k>=0 x^k*(k+1/2). A109414

The number of parents of successive approximations used in a greedy approach to creating a Garden of Eden in Conway's Game of Life. A196447

List of André permutations of the first kind. A278982

Numbers which are palindromic in their Elias δ code representation. A281380

Expansion of e.g.f. 1/(1 - x·exp(x²/2)). A358264

Positive numbers k such that k and 2·k are anagrams in base 6 (written in base 6). A23064

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 51. A31729