Properties of the Number -139

One Hundred Thirty-Nine

Basics

Value: -140 → -139 → -138

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 139

Divisors: 1, 139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001011

Octal: -213

Duodecimal: -B7

Hexadecimal: -8b

Square: 19321

Square Root: 11.789826122551595

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

Stirling's formula: numerators of asymptotic series for γ function. A1163

McKay-Thompson series of class 16B for the Monster group. A29839

Alternating sum σ(1)-σ(2)+σ(3)-σ(4)+...+((-1)ⁿ⁺¹)*σ(n). A68762

Expansion of χ(-q) / χ(-q¹⁰) in powers of q where χ() is a Ramanujan θ function. A145707

Unique attractor for (RIGHT then MOBIUS) transform. A7554

Nearest integer to n·tan(n). A274086

Numerators of the expansion of -W_-1(-e^{-1 - x²/2}) where x > 0 and W_-1 is the Lambert W function. A5447

a(n) = 2ⁿ * ∑_k=0..n k^p*q^k, where p=3, q=-1/2. A232604

a(n) = A077118(n) - n³. A77119

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 3. A60022