Properties of the Number 25779

Twenty-Five Thousand Seven Hundred Seventy-Nine

Basics

Value: 25778 → 25779 → 25780

Parity: odd

Prime: No

Previous Prime: 25771

Next Prime: 25793

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 661

Divisors: 1, 3, 13, 39, 661, 1983, 8593, 25779

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010010110011

Octal: 62263

Duodecimal: 12B03

Hexadecimal: 64b3

Square: 664556841

Square Root: 160.5584005899411

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) = 6·a(n-1)-8·a(n-2)-3 for n > 10; a(0)=753, a(1)=5043, a(2)=25779, a(3)=213003, a(4)=1687623, a(5)=18171219, a(6)=73344977, a(7)=769993485, a(8)=4480470831, a(9)=17582325855, a(10)=69524390079. A177423

Expansion of ∏_k>=1 (1 - x^k * (k + x)). A336977

Numbers n such that n through n+5 have the same number of distinct prime factors. A45934

Numbers n such that n through n+6 are divisible by the same number of distinct primes. A45935

Expansion of 1/((1-x)*(1-x⁵)*(1-x⁹)). A25779