Properties of the Number 51913

Fifty-One Thousand Nine Hundred Thirteen

Basics

Value: 51912 → 51913 → 51914

Parity: odd

Prime: Yes

Previous Prime: 51907

Next Prime: 51929

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 51913

Divisors: 1, 51913

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101011001001

Octal: 145311

Duodecimal: 26061

Hexadecimal: cac9

Square: 2694959569

Square Root: 227.8442450447235

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

Largest prime factor of n! + 2ⁿ - 1. A127987

Number of partitions of n with difference 8 between the number of odd parts and the number of even parts, both counted without multiplicity. A242699

a(n) = 4·n³ - 18·n² + 27·n - 12. A271828

Primes that can be generated by the concatenation in base 2, in descending order, of two consecutive integers read in base 10. A287019

Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10. A287303

a(1) = 0 and a(n+1) > a(n) is the smallest integer such that a(n+1)²-a(n)² is triangular. A358416

Fibonacci sequence beginning 5, 17. A22141

Numbers k such that φ(k)/φ(φ(k)) = 3. A51913