Properties of the Number 72273

Seventy-Two Thousand Two Hundred Seventy-Three

Basics

Value: 72272 → 72273 → 72274

Parity: odd

Prime: No

Previous Prime: 72271

Next Prime: 72277

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 24091

Divisors: 1, 3, 24091, 72273

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101001010001

Octal: 215121

Duodecimal: 359A9

Hexadecimal: 11a51

Square: 5223386529

Square Root: 268.8363814664972

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

Column 3 of triangle A113983; also a(n) = A113983(n+2,2) + [A113983²](n+1,2). A113986

Numbers of undirected cycles in the n-Andrásfai graph. A234602

Triangle, read by rows, such that T(n,k) = T(n-1,k-1) + [T²](n-2,k-1) with T(n,0) = T(n,n) = 1 for n>=0, k>=0. A113983

Index of powers of 2 that equal the number of noncongruent roots to the congruence x² == k (mod n) for (k,n)=1 and assuming solvability. A72273