Properties of the Number 51085

Fifty-One Thousand Eighty-Five

Basics

Value: 51084 → 51085 → 51086

Parity: odd

Prime: No

Previous Prime: 51071

Next Prime: 51109

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 17 × 601

Divisors: 1, 5, 17, 85, 601, 3005, 10217, 51085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011110001101

Octal: 143615

Duodecimal: 25691

Hexadecimal: c78d

Square: 2609677225

Square Root: 226.01991062736045

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 solutions to c(1)*prime(1) +...+ c(2n+1)*prime(2n+1) = 0, where c(i) = +-1 for i > 1, c(1) = 1. A22894

Number of ways of partitioning the set of the first n primes into two subsets whose sums differ at most by 1. A306443

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 5 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=5 and b=-1, respectively. A337628

Expansion of 1/(x^k*(1-x-2·x^k+1)) for k=6. A143449

Number of separable partitions of n in which the number of distinct (repeatable) parts <= 6. A325715

Primes p such that x³² = -2 has a solution mod p. A51085