Properties of the Number 51516

Fifty-One Thousand Five Hundred Sixteen

Basics

Value: 51515 → 51516 → 51517

Parity: even

Prime: No

Previous Prime: 51511

Next Prime: 51517

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁵ × 53

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100100111100

Octal: 144474

Duodecimal: 25990

Hexadecimal: c93c

Square: 2653898256

Square Root: 226.97136383253286

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

Expansion of a modular function for Gamma₀(6). A2507

Number of (w,x,y,z) with all terms in {1,...,n} and w<average{x,y,z}. A212088

Number of (n+1) X 2 0..2 arrays with every row and column least squares fitting to a positive slope straight line. A222843

E.g.f.: exp((3/2) * x * (2 + x)). A335819

Perfect numbers k: k is equal to the sum of the proper divisors of k. A396

Number of triangles with perimeter n having integer sides and area. A51516

Last digit of the n-th perfect number. A94540