Properties of the Number 80681

Eighty Thousand Six Hundred Eighty-One

Basics

Value: 80680 → 80681 → 80682

Parity: odd

Prime: Yes

Previous Prime: 80677

Next Prime: 80683

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 80681

Divisors: 1, 80681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10011101100101001

Octal: 235451

Duodecimal: 3A835

Hexadecimal: 13b29

Square: 6509423761

Square Root: 284.04401067440233

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

Primes of the form 3·m² - 7. A201718

Primes of the form 16·m² + 25 for m=1,2,3,... A87857

Primes of the form 16·m² + 25, m=1,3,5,... A87856

17-smooth numbers: numbers whose prime divisors are all <= 17. A80681