Properties of the Number -129285

One Hundred Twenty-Nine Thousand Two Hundred Eighty-Five

Basics

Value: -129286 → -129285 → -129284

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 13 ² × 17

Divisors: 1, 3, 5, 9, 13, 15, 17, 39, 45, 51

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111100100000101

Octal: -374405

Duodecimal: -62999

Hexadecimal: -1f905

Square: 16714611225

Square Root: 359.5622338344226

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

a(n) = binomial(n, n/2 - 1/4 + (-1)ⁿ/4)*hypergeom([-n/4 - 1/8 + (-1)ⁿ/8, -n/4 + 3/8 + (-1)ⁿ/8], [n/2 + 7/4 + (-1)ⁿ/4], 4). A344394

a(n) = binomial(2·n + 1, n)*hypergeom([-(n + 1)/2, -n/2], [n + 2], 4). A344396

Row sums of A363041. A363042

a(n) = binomial(4·n - 1, 2·n - 1)*hypergeom([-n, -n + 1/2], [2·n + 1], 4). A344395