Properties of the Number 80556

Eighty Thousand Five Hundred Fifty-Six

Basics

Value: 80555 → 80556 → 80557

Parity: even

Prime: No

Previous Prime: 80537

Next Prime: 80557

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7 ² × 137

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101010101100

Octal: 235254

Duodecimal: 3A750

Hexadecimal: 13aac

Square: 6489269136

Square Root: 283.8238890579861

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

G.f.: A(x) = F(0,x) where F(0,x) = 1/(1 - x·F(1,x)), F(1,x) = 1/(1 - 4·x*F(2,x)²)^1/2, F(2,x) = 1/(1 - 9·x/F(3,x)³)^1/3, F(3,x) = 1/(1 - 16·x/F(4,x)⁴)^1/4, ..., so that F(n,x) = 1/(1 - (n+1)²*x·F(n+1,x)ⁿ⁺¹)^1/(n+1) for n>=0. A243195

Number of positions that are exactly n moves from the starting position in the Luminations Level 4 puzzle. A80556