Properties of the Number 51088

Fifty-One Thousand Eighty-Eight

Basics

Value: 51087 → 51088 → 51089

Parity: even

Prime: No

Previous Prime: 51071

Next Prime: 51109

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 31 × 103

Divisors: 1, 2, 4, 8, 16, 31, 62, 103, 124, 206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011110010000

Octal: 143620

Duodecimal: 25694

Hexadecimal: c790

Square: 2609983744

Square Root: 226.02654711338667

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 d·p where d is a perfect number and p<d a prime not dividing d. A165772

Number of 5-tuples of different integers from [ 1,n ] with no common factors among pairs. A15698

Number of 4X4X4 triangular 0..n arrays with every horizontal row nondecreasing and having the same average value. A214908

Consider the 2^n-1 monic polynomials f(x) with coefficients 0 or 1, degree n and f(0)=1. Sequence gives triangle read by rows, in which T(n,k) (n>=1) is the number of such polynomials of thickness k (2 <= k <= n+1). A169940

T(n,k)=Number of nXnXn triangular 0..k arrays with every horizontal row nondecreasing and having the same average value. A214906

Primes p such that x³⁸ = -2 has a solution mod p. A51088