Properties of the Number 23445

Twenty-Three Thousand Four Hundred Forty-Five

Basics

Value: 23444 → 23445 → 23446

Parity: odd

Prime: No

Previous Prime: 23431

Next Prime: 23447

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 521

Divisors: 1, 3, 5, 9, 15, 45, 521, 1563, 2605, 4689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101110010101

Octal: 55625

Duodecimal: 11699

Hexadecimal: 5b95

Square: 549668025

Square Root: 153.11760186209813

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

a(n) is the solution to the postage stamp problem with 4 denominations and n stamps. A1209

Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+3) rectangle. A274597

Numerators of continued fraction convergents to sqrt(481). A41918

Number of homogeneous primitive partition identities of degree 6 with largest part n. A7344

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly three ways. A76456

Number of (odd and even) split numbers (A036382) below 2ⁿ. A36389

a(n) = n-3. A23445

Numbers n such that a positive number m <= n exists such that n-m, n+m, and n·m are triangular numbers. A224935