Properties of the Number 72267

Seventy-Two Thousand Two Hundred Sixty-Seven

Basics

Value: 72266 → 72267 → 72268

Parity: odd

Prime: No

Previous Prime: 72253

Next Prime: 72269

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 17 × 109

Divisors: 1, 3, 13, 17, 39, 51, 109, 221, 327, 663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101001001011

Octal: 215113

Duodecimal: 359A3

Hexadecimal: 11a4b

Square: 5222519289

Square Root: 268.8252220309694

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

Expansion of 1+(x/(1-5·x))*c(x/(1-5·x)) where c(x) is the g.f. of A000108. A154623

Integers k such that 10^k + 33 is prime. A107084

Numbers k such that σ(k) = σ(k+19), where σ(k) is the sum of the divisors of k. A321533

A(n, k) is the n-th binomial transform of the Catalan sequence (A000108) evaluated at k. Array read by descending antidiagonals for n >= 0 and k >= 0. A271025

Duplicate of A024934. A72267