Properties of the Number -15216

Fifteen Thousand Two Hundred Sixteen

Basics

Value: -15217 → -15216 → -15215

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 317

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101101110000

Octal: -35560

Duodecimal: -8980

Hexadecimal: -3b70

Square: 231526656

Square Root: 123.3531515608742

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

Alternating sum of hexagonal pyramidal numbers. A266677

Number of graphs with n edges. A664

Number of partitions of n which represent first player winning Chomp positions with unique winning moves. A112472

a(n) = |{m : multiplicative order of 7 mod m=n}|. A59889

Numbers k such that the decimal expansions of both k and k² have 1 as smallest digit and 6 as largest digit. A257197

a(n) = ((1+4·sqrt(2))*(4+sqrt(2))ⁿ + (1-4·sqrt(2))*(4-sqrt(2))ⁿ)/2. A164300

Number of nonnegative solutions to x² + y² + z² <= n². A604

Indices n such that the 3 X 3 matrix with components (row by row) prime(n+k), 0 <= k <= 8, has zero determinant. A117345

The number of squarefree permutations of 1,...,n. A221989

Site percolation series for square lattice. A6731