Properties of the Number 71291

Seventy-One Thousand Two Hundred Ninety-One

Basics

Value: 71290 → 71291 → 71292

Parity: odd

Prime: No

Previous Prime: 71287

Next Prime: 71293

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 × 6481

Divisors: 1, 11, 6481, 71291

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011001111011

Octal: 213173

Duodecimal: 3530B

Hexadecimal: 1167b

Square: 5082406681

Square Root: 267.00374529208386

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

Numbers k such that 10^k - σ(k²) is prime. A193881

Second term of the continued fraction expansion of (3/2)ⁿ; or 0 if no term is present. A71291