Properties of the Number -126565

One Hundred Twenty-Six Thousand Five Hundred Sixty-Five

Basics

Value: -126566 → -126565 → -126564

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 17 × 1489

Divisors: 1, 5, 17, 85, 1489, 7445, 25313, 126565

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11110111001100101

Octal: -367145

Duodecimal: -612B1

Hexadecimal: -1ee65

Square: 16018699225

Square Root: 355.75975039343615

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

Triangle read by rows: T(n,k) = number of permutations of [n] allowing i->i+j (mod n), j=0..k-1. A8305

Number of discordant permutations of length n. A183

Triangle T(n,k) giving the number of permutations π of {1,2,...,n} such that for all i, π(i) is not in {i, i+1, ..., i+k-1} (mod n), with 0 <= k <= n - 1. A321352