Properties of the Number -2159

One Hundred Fifty-Nine

Basics

Value: -2160 → -2159 → -2158

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 17 × 127

Divisors: 1, 17, 127, 2159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100001101111

Octal: -4157

Duodecimal: -12BB

Hexadecimal: -86f

Square: 4661281

Square Root: 46.46504062195577

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

The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0 < r <= n. Sequence contains the leading diagonal. A110427

Expansion of 1/(1-x*(1-9·x)). A146078

(1,1) entry of powers of the orthogonal design shown below. A90592

a(n) = 6·GaussBinomial(2·n, 2, 2) * Bernoulli(2·n, 1). A346464

a(n) = n! * ∑_{k=0..floor(n/4)} (-n)^k / (k! * (n-4·k)!). A362322

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood. A270235

Expansion of ∏_k>=1 1/(1 + p(k)*x^k), where p(k) = number of partitions of k (A000041). A316230

Number of reduced words of length n in the Weyl group E₆ on 6 generators and order 51840. A161409

Number of partitions of n such that some part is a sum of two or more other parts. A237668

Number of reversed integer partitions of 2n whose half-alternating sum is 0. A357639