Properties of the Number 51271

Fifty-One Thousand Two Hundred Seventy-One

Basics

Value: 51270 → 51271 → 51272

Parity: odd

Prime: No

Previous Prime: 51263

Next Prime: 51283

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 11 × 59 × 79

Divisors: 1, 11, 59, 79, 649, 869, 4661, 51271

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100001000111

Octal: 144107

Duodecimal: 25807

Hexadecimal: c847

Square: 2628715441

Square Root: 226.43100494411095

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

Numerator of H(n+4) - H(n), where H(n) = ∑_k=1..n 1/k. A189642

Number of (w,x,y,z) with all terms in {1,...,n} and 2·w*x>=3·y*z. A211923

Nonprime numbers n such that φ(n) divides n² - 1, where φ(n) (A000010) is Euler's totient function. A98271

Composite squarefree numbers k such that k²-1 is divisible by p-1 and p+1, where p are all the prime factors of k. A306685

Number of numbers either relatively prime to or divisors of primorial number(n). A51271