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Properties of the Number 25326

Twenty-Five Thousand Three Hundred Twenty-Six

Basics

Value: 25325 → 25326 → 25327

Parity: even

Prime: No

Previous Prime: 25321

Next Prime: 25339

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 3 × 7 × 67

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001011101110

Octal: 61356

Duodecimal: 127A6

Hexadecimal: 62ee

Square: 641406276

Square Root: 159.14144651849813

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 T(n,k) read by rows, giving number of k-member minimal covers of an unlabeled n-set, k=1..n. A55080
a(n) = floor((n3)/2). A36487
Floor((Pentanacci ratio)n). A125899
Number of 6-covers of an unlabeled n-set. A5786
Number of n-covers of an unlabeled 5-set. A5771
Number T(n,k) of set partitions of [n] such that the maximal value of all absolute differences between least elements of consecutive blocks and between consecutive elements within the blocks equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows. A287416
Sums of members of groups in A076063. A76066
a(n) = 4·n3 - 6·n2 + 3·n - 1. A268201
Number of partitions p of n such that (number of even numbers in p) is a part of p. A241544
Number of rooted trees with n nodes such that three equals the maximal number of isomorphic subtrees extending from the same node. A318860