Properties of the Number -125641

One Hundred Twenty-Five Thousand Six Hundred Forty-One

Basics

Value: -125642 → -125641 → -125640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 125641

Divisors: 1, 125641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110101011001001

Octal: -365311

Duodecimal: -60861

Hexadecimal: -1eac9

Square: 15785660881

Square Root: 354.45874231001835

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

Integers of the form (x³)/6 + (x²)/2 + x + 1. A127876

a(n) = the smallest positive integer that produces a product that contains the digit 2 when multiplied by 2 at most n times, and where a further multiplication by 2 produces a number that does not contain the digit 2. Set a(n) = -1 if no such number exists. A381183

Mountain emirps. A182721

Starting from 1, successively take the smallest "Choix de Bruxelles" with factor 13 which is not already in the sequence. A360190