Properties of the Number 80644

Eighty Thousand Six Hundred Forty-Four

Basics

Value: 80643 → 80644 → 80645

Parity: even

Prime: No

Previous Prime: 80629

Next Prime: 80651

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 20161

Divisors: 1, 2, 4, 20161, 40322, 80644

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101100000100

Octal: 235404

Duodecimal: 3A804

Hexadecimal: 13b04

Square: 6503454736

Square Root: 283.9788724535683

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

Starts of runs of 3 consecutive factorial base Niven numbers (A118363). A328206

Number of tilings of a 4 X n rectangle using L and Z tetrominoes. A232497

a(1) = 5; for n>1, a(n) is taken to be the smallest integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is divisible by 6". A80644