Properties of the Number 25869

Twenty-Five Thousand Eight Hundred Sixty-Nine

Basics

Value: 25868 → 25869 → 25870

Parity: odd

Prime: No

Previous Prime: 25867

Next Prime: 25873

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 8623

Divisors: 1, 3, 8623, 25869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010100001101

Octal: 62415

Duodecimal: 12B79

Hexadecimal: 650d

Square: 669205161

Square Root: 160.83842824399895

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

Number of n X 2 0..1 arrays with each 1 adjacent to 3 or 4 king-move neighboring 1s. A296109

a(n) = 2·p(n)*p(n+2) - p(n+1)² where p(k) = k-th prime. A324795

Expansion of F(x) where F(x) = 1 + x / (1 - x·F(x²)² ). A238431

Series reversion of x+x³+x⁴. A217359

Expansion of 1/((1-x⁴)*(1-x⁷)*(1-x¹⁰)). A25869