Properties of the Number 71613

Seventy-One Thousand Six Hundred Thirteen

Basics

Value: 71612 → 71613 → 71614

Parity: odd

Prime: No

Previous Prime: 71597

Next Prime: 71633

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 73 × 109

Divisors: 1, 3, 9, 73, 109, 219, 327, 657, 981, 7957

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011110111101

Octal: 213675

Duodecimal: 35539

Hexadecimal: 117bd

Square: 5128421769

Square Root: 267.6060537431842

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

a(n) = a(n-1) + 2ⁿ * a(n-2) with a(0) = 1 and a(1) = 1. A280294

a(n)=2*(4ⁿ-1)/denominator(B(2n)) where B(k) denotes the k-th Bernoulli number. A90648

a(n) is the smallest prime that is the first of n consecutive primes with equal digit sum. A71613