Properties of the Number -1165

One Hundred Sixty-Five

Basics

Value: -1166 → -1165 → -1164

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 233

Divisors: 1, 5, 233, 1165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10010001101

Octal: -2215

Duodecimal: -811

Hexadecimal: -48d

Square: 1357225

Square Root: 34.132096331752024

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

Coefficients of a special case of Poisson-Charlier polynomials. Triangle read by rows, T(n, k) for 0 <= k <= n. A137346

a(n) = number of partitions of n into parts of 2 kinds. A712

Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity). A6753

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.6.12 2D tiling (cf. A072154). A299258

a(n) = a(n-1) + 4·a(n-2), a(0) = a(1) = 1. A6131

Number of integer partitions of n whose first differences (assuming the last part is zero) are not unimodal. A332284

Number of planar partitions of n with all part sizes distinct. A117433

Numbers n such that 97 is the largest prime factor of n² - 1. A181470

Numbers k whose largest divisor <= sqrt(k) is 5. A161835

Expansion of 1/(x + sqrt(1-4x)). A81696