Properties of the Number 72949

Seventy-Two Thousand Nine Hundred Forty-Nine

Basics

Value: 72948 → 72949 → 72950

Parity: odd

Prime: Yes

Previous Prime: 72937

Next Prime: 72953

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 72949

Divisors: 1, 72949

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110011110101

Octal: 216365

Duodecimal: 36271

Hexadecimal: 11cf5

Square: 5321556601

Square Root: 270.09072549793336

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 double palindrome structures of length n using exactly two different symbols. A328688

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 77. A31665

Number of permutations p of {1,2,3,...,n} such that ∑_k=1..n abs(k-p(k)) = 2n. A72949