Properties of the Number 23427

Twenty-Three Thousand Four Hundred Twenty-Seven

Basics

Value: 23426 → 23427 → 23428

Parity: odd

Prime: No

Previous Prime: 23417

Next Prime: 23431

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 19 × 137

Divisors: 1, 3, 9, 19, 57, 137, 171, 411, 1233, 2603

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 101101110000011

Octal: 55603

Duodecimal: 11683

Hexadecimal: 5b83

Square: 548824329

Square Root: 153.05881222588917

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

Expansion of (1 + x)/(1 - 2·x - x² + x³). A33303

Number of permutations of length n which avoid the patterns 123 and 4312. A116699

Maximal term of TRIP-Stern sequence of level n corresponding to permutation triple (e,13,e). A271485

Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers. A333013

A Chebyshev transform of the Catalan numbers. A101499

Imaginary part of a Gaussian integer sequence with a Gaussian integer Somos-4 Hankel transform. A183894

Number of 5-leaf rooted trees with n levels. A7715

n+prime(n)+prime(prime(n)) is a triangular number, where prime(n) is the n-th prime. A116010

a(n) = 289n² + 2n. A158254

Second right hand column of the β triangle A160480. A160483