Properties of the Number -129519

One Hundred Twenty-Nine Thousand Five Hundred Nineteen

Basics

Value: -129520 → -129519 → -129518

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 13 × 41

Divisors: 1, 3, 9, 13, 27, 39, 41, 81, 117, 123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111100111101111

Octal: -374757

Duodecimal: -62B53

Hexadecimal: -1f9ef

Square: 16775171361

Square Root: 359.88748241637967

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) = ∑_k=0..n binomial(n,k) * binomial(4·k,k) / (3·k + 1). A346646

a(n) = 507·2ⁿ - 273. A304615

Numerator of n*(n-2)*(2·n-1)/(2*(n-1)). A22997