Properties of the Number 65560

Sixty-Five Thousand Five Hundred Sixty

Basics

Value: 65559 → 65560 → 65561

Parity: even

Prime: No

Previous Prime: 65557

Next Prime: 65563

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 × 11 × 149

Divisors: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000000000011000

Octal: 200030

Duodecimal: 31B34

Hexadecimal: 10018

Square: 4298113600

Square Root: 256.0468707092512

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

Diagonal in array of n-gonal numbers A081422. A81437

Number of connected induced (non-null) subgraphs of the friendship graph with 2n+1 nodes. A286186

Number of pairs with two different elements which can be obtained by selecting unique elements from two sets with n+1 and n² elements respectively and n common elements. A85490

Permutation of N induced by rotating the node 4 left in the infinite planar binary tree shown at A065658. A65667

a(n) is the smallest integer k such that floor((1+1/n)^k+1)/floor((1+1/n)^k) = 1+1/n. A65560

Least positive number with exactly n partitions into a square and a cube. A122054