Properties of the Number -26165

Twenty-Six Thousand One Hundred Sixty-Five

Basics

Value: -26166 → -26165 → -26164

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 5233

Divisors: 1, 5, 5233, 26165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110011000110101

Octal: -63065

Duodecimal: -13185

Hexadecimal: -6635

Square: 684607225

Square Root: 161.75598906995685

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

Irregular triangle: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 4213. 0 <= k <= A342646(n). A342840

Number of partitions of 2n whose Ferrers-Young diagram cannot be tiled with dominoes. A304710

a(n) is the number of free polyominoes of width 4 and size n. A354850

Numbers k such that 219·2^k+1 is prime. A32486

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood. A272227

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 19. A51984