Properties of the Number -155879

One Hundred Fifty-Five Thousand Eight Hundred Seventy-Nine

Basics

Value: -155880 → -155879 → -155878

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 97 × 1607

Divisors: 1, 97, 1607, 155879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110000011100111

Octal: -460347

Duodecimal: -7625B

Hexadecimal: -260e7

Square: 24298262641

Square Root: 394.8151466192755

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

Conjectured number of numbers that are not the sum of three n-gonal numbers, or -1 if infinite. A118279

a(n) = ∑_{k=0..floor(n/4)} binomial(2·k,k) * binomial(n-k,3·k). A393246