Properties of the Number -1090

Ninety

Basics

Value: -1091 → -1090 → -1089

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 109

Divisors: 1, 2, 5, 10, 109, 218, 545, 1090

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10001000010

Octal: -2102

Duodecimal: -76A

Hexadecimal: -442

Square: 1188100

Square Root: 33.015148038438355

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

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 6. A60025

Expansion of ∏_k>0 ((1-x^5k-2) * (1-x^5k-3)/((1-x^5k-1) * (1-x^5k-4)))² in powers of x. A285442

G.f. A(x) satisfies A(x) = 1 + x·A(x)³ / (1 + x·A(x)³). A364864

Expansion of 1/(1 + 2·x - 2·x² + x³). A77983

a(n) = ∑_k=1..n (-1)^isprime(k)*10^k. A243106

(1/18)*Difference between concatenation of n and n² and concatenation of n² and n. A55435

a(n) = n² + 1. A2522

Number of partitions of n with equal number of even and odd parts. A45931

Numbers that are the sum of 5 positive 5th powers. A3350

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.12.12 2D tiling (cf. A250122). A299257