ℕ atory
Play Now

Properties of the Number 25864

Twenty-Five Thousand Eight Hundred Sixty-Four

Basics

Value: 25863 → 25864 → 25865

Parity: even

Prime: No

Previous Prime: 25849

Next Prime: 25867

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 3 × 53 × 61

Divisors: 1, 2, 4, 8, 53, 61, 106, 122, 212, 244

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110010100001000

Octal: 62410

Duodecimal: 12B74

Hexadecimal: 6508

Square: 668946496

Square Root: 160.822883943797

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

Triangle, read by rows, that transforms rows into diagonals in the table of coefficients of successive iterations of x+x2 (cf. A122888). A166900
Triangle read by rows: T(n,k) is the number of c-nets with n-k inner vertices and k outer vertices, 3 <= n, 2 <= k <= n-1. A285165
Number of 3-step knight's tours on an (n+2) X (n+2) board summed over all starting positions. A186852
Triangle read by rows, arising in enumeration of permutations by cyclic valleys, cycles and fixed points. A217202
First column of A217202. A217203
a(n) = 204·2n - 248. A278122
Column 6 of A285165. A285169
Number of collinear triples in a 4 X n rectangular grid. A334706
Partial sums of A120769. A120770
Expansion of ∏k>0 (1+k2*xk)1/k. A303355