Properties of the Number 25855

Twenty-Five Thousand Eight Hundred Fifty-Five

Basics

Value: 25854 → 25855 → 25856

Parity: odd

Prime: No

Previous Prime: 25849

Next Prime: 25867

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 5171

Divisors: 1, 5, 5171, 25855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010011111111

Octal: 62377

Duodecimal: 12B67

Hexadecimal: 64ff

Square: 668481025

Square Root: 160.79490041664877

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

Semiprimes in A056106. A113524

a(n) = 2·a(n-1) + 1 for a(n-1) not prime, otherwise a(n) = prime(n) - 1; with a(1)=1. A374965

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood. A282217

Number of ways to place 5 nonattacking amazons (superqueens) on an n X n toroidal board. A178975

Expansion of 1/((1-x³)*(1-x⁹)*(1-x¹¹)). A25855