Properties of the Number 25958

Twenty-Five Thousand Nine Hundred Fifty-Eight

Basics

Value: 25957 → 25958 → 25959

Parity: even

Prime: No

Previous Prime: 25951

Next Prime: 25969

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 12979

Divisors: 1, 2, 12979, 25958

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101100110

Octal: 62546

Duodecimal: 13032

Hexadecimal: 6566

Square: 673817764

Square Root: 161.1148658566304

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

The array in A059219 read by antidiagonals in 'up' direction. A59220

Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, in a regular drawing of a complete bipartite graph where the vertex positions on each part equal the Farey series of order n. A359694

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

The array in A059219 read by antidiagonals in the direction in which it was constructed. A59235

Even elements of A080435. A82930

Indices of primes in sequence defined by A(0) = 17, A(n) = 10·A(n-1) + 27 for n > 0. A102034

Composite numbers whose concatenation of their aliquot parts, in descending order, is a palindrome. A249301

Number of asymmetric types of (3,n)-hypergraphs under action of symmetric group S₃. A55536

Expansion of 1/((1-2x)(1-4x)(1-5x)(1-6x)). A25958