Properties of the Number 25956

Twenty-Five Thousand Nine Hundred Fifty-Six

Basics

Value: 25955 → 25956 → 25957

Parity: even

Prime: No

Previous Prime: 25951

Next Prime: 25969

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 103

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101100100

Octal: 62544

Duodecimal: 13030

Hexadecimal: 6564

Square: 673713936

Square Root: 161.10865898517062

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 integer partitions of n that can be partitioned into sets with distinct sums. A381992

Integers that are Rhonda numbers to base 8. A100970

Expansion of 1/(1 - ∑_k>=1 μ(k)*x^k), where μ() is the Moebius function (A008683). A300663

Sum of all the parts in the partitions of n into 7 squarefree parts. A308953

Number of nonnegative solutions to x² + y² + z² <= n². A604

a(n) = (n!/4!)*Sum(1/k!,k=1..n-4). A268219

Number of ternary cubefree words of length n. A51042

a(n) = ∑_k=1..n floor(n/(2·k-1))^k. A350147

Triangle T(n,k), read by rows, given by (1,0,2,1,3,2,4,3,5,4,6,5,7,6,8,7,9,8,...) δ (0,1,0,1,0,1,0,1,0,1,0,1,0,1,...) where δ is the operator defined in A084938. A200545

Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-2. A211924