Properties of the Number 25986

Twenty-Five Thousand Nine Hundred Eighty-Six

Basics

Value: 25985 → 25986 → 25987

Parity: even

Prime: No

Previous Prime: 25981

Next Prime: 25997

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 61 × 71

Divisors: 1, 2, 3, 6, 61, 71, 122, 142, 183, 213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010110000010

Octal: 62602

Duodecimal: 13056

Hexadecimal: 6582

Square: 675272196

Square Root: 161.20173696334663

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 permutations that avoid the generalized pattern 132-4. A71075

a(1) = 1, a(n+1) is the sum of a(n) and ceiling( arithmetic mean of a(1) ... a(n) ). A65095

Expansion of ∏_k>=1 1/(1-x^k+8)^k. A263364

Number of integer partitions of n whose differences are an aperiodic word. A329137

Expansion of ∏_k>=1 (1 + x^k*A005185(k)). A147879

Number of n X 7 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally. A188864

E.g.f. satisfies A(x) = (2 - exp(x·A(x)^1/2))². A375902

Expansion of 1/((1-2x)(1-5x)(1-6x)(1-7x)). A25986