Properties of the Number 51857

Fifty-One Thousand Eight Hundred Fifty-Seven

Basics

Value: 51856 → 51857 → 51858

Parity: odd

Prime: No

Previous Prime: 51853

Next Prime: 51859

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 3989

Divisors: 1, 13, 3989, 51857

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100101010010001

Octal: 145221

Duodecimal: 26015

Hexadecimal: ca91

Square: 2689148449

Square Root: 227.72132091659753

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 compositions of n into twin primes (i.e., primes that are members of a twin prime pair, like 3, 5, 7, 11, 13, but not 2 or 23). A77608

Numbers k such that the last 9 digits of the k-th Lucas number are 1-9 pandigital. A216488

Numbers n such that (n!)²-n!+1 is prime. A51857