Properties of the Number 72917

Seventy-Two Thousand Nine Hundred Seventeen

Basics

Value: 72916 → 72917 → 72918

Parity: odd

Prime: No

Previous Prime: 72911

Next Prime: 72923

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 71 × 79

Divisors: 1, 13, 71, 79, 923, 1027, 5609, 72917

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110011010101

Octal: 216325

Duodecimal: 36245

Hexadecimal: 11cd5

Square: 5316888889

Square Root: 270.0314796463553

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 rooted trees where each node has at most 4 children. A36718

Numbers n with the property that n² contains a sequence of four or more consecutive 8's. A301938

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood. A268202

a(n) = p(n) - φ(n), where p(n) is the least prime greater than φ(n). A72917