Properties of the Number 72621

Seventy-Two Thousand Six Hundred Twenty-One

Basics

Value: 72620 → 72621 → 72622

Parity: odd

Prime: No

Previous Prime: 72617

Next Prime: 72623

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 8069

Divisors: 1, 3, 9, 8069, 24207, 72621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101110101101

Octal: 215655

Duodecimal: 36039

Hexadecimal: 11bad

Square: 5273809641

Square Root: 269.4828380435385

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 binary strings of length n with no substrings equal to 0001 0010 or 0100. A164445

Permutation of natural numbers obtained from the permutation A072088 (one-based). A72621