Properties of the Number -129978

One Hundred Twenty-Nine Thousand Nine Hundred Seventy-Eight

Basics

Value: -129979 → -129978 → -129977

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 29 × 83

Divisors: 1, 2, 3, 6, 9, 18, 27, 29, 54, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111101110111010

Octal: -375672

Duodecimal: -63276

Hexadecimal: -1fbba

Square: 16894280484

Square Root: 360.5246177447526

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

Divide primes in groups with 2n elements and add together. A109726

Number of (undirected) Hamiltonian paths in the n-dipyramidal graph. A307939

a(0)=0, a(1)=1, a(n)=a(n-1)+a(n-2)+a(n-3) if a(n-1) is even, a(n)=a(n-1)+a(n-2) if a(n-1) is odd. A78513