Properties of the Number 80624

Eighty Thousand Six Hundred Twenty-Four

Basics

Value: 80623 → 80624 → 80625

Parity: even

Prime: No

Previous Prime: 80621

Next Prime: 80627

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5039

Divisors: 1, 2, 4, 8, 16, 5039, 10078, 20156, 40312, 80624

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101011110000

Octal: 235360

Duodecimal: 3A7A8

Hexadecimal: 13af0

Square: 6500229376

Square Root: 283.9436563827408

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

a(0) = 0, a(1) = 1, a(2·n) = n·a(2·n-1) + a(2·n-2), a(2·n+1) = a(2·n) + a(2·n-1). A56921

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w²>x²+y². A211631

T(n,k) is the number of n-step left-handed knight's tours (moves only out two, left one) on a k X k board summed over all starting positions. A187172

Consider 3 X 3 X 3 Rubik cube, but only allow the double slice group to act; sequence gives number of positions that are exactly n moves from the start. A80624