Properties of the Number 72649

Seventy-Two Thousand Six Hundred Forty-Nine

Basics

Value: 72648 → 72649 → 72650

Parity: odd

Prime: Yes

Previous Prime: 72647

Next Prime: 72661

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 72649

Divisors: 1, 72649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101111001001

Octal: 215711

Duodecimal: 36061

Hexadecimal: 11bc9

Square: 5277877201

Square Root: 269.53478439711637

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(n) = floor(binomial(n,5)/6). A11843

Primes whose base-6 representation is a square when read in base 10. A267820

n occurs Fibonacci(n) times (cf. A000045). A72649