Properties of the Number 80725

Eighty Thousand Seven Hundred Twenty-Five

Basics

Value: 80724 → 80725 → 80726

Parity: odd

Prime: No

Previous Prime: 80713

Next Prime: 80737

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 3229

Divisors: 1, 5, 25, 3229, 16145, 80725

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101101010101

Octal: 235525

Duodecimal: 3A871

Hexadecimal: 13b55

Square: 6516525625

Square Root: 284.1214529035075

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

Number of primes < prime(n)³. A86688

a(1) = 2; for n>1, a(n) is taken to be the smallest positive 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) == 1 mod 3". A80725