Properties of the Number 23456

Twenty-Three Thousand Four Hundred Fifty-Six

Basics

Value: 23455 → 23456 → 23457

Parity: even

Prime: No

Previous Prime: 23447

Next Prime: 23459

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 733

Divisors: 1, 2, 4, 8, 16, 32, 733, 1466, 2932, 5864

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101110100000

Octal: 55640

Duodecimal: 116A8

Hexadecimal: 5ba0

Square: 550183936

Square Root: 153.15351775261317

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

Concatenation of the numbers from 2 to n. A262571

Minimum number n, not already present, that permits the cyclic repetition of the decimal digits 1,2,3,4,5,6,7,8,9 in the sequence. A165307

Lengths increase by 1, digits cycle through positive digits. A7923

Numbers with digits in ascending order that differ exactly by 1. A138141

Numbers in which each digit is the (immediate) successor of the previous one (if it exists) and 0 is considered the successor of 9. A59043

Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493

Lexicographically first sequence of distinct terms such that any set of five successive digits can be reordered as {d, d+1, d+2, d+3, d+4}, d being the smallest of the five digits. A302500

Triangle read by rows in which the n-th row contains the n numbers in increasing order formed by the concatenation of first n-1 numbers. (The digits of the numbers with 2 or more digits are taken as one entity.) First row is taken to be 0. A81539

a(n) is the smallest number not already in the sequence, such that the concatenation of all a(n) displays the periodic digit string 1, 2, 3, 4, 5, 6 (and repeat). A165304

Lexicographically first sequence of distinct terms such that any set of six successive digits can be reordered as {d, d+1, d+2, d+3, d+4, d+5}, d being the smallest of the six digits. A302501