Properties of the Number -125751

One Hundred Twenty-Five Thousand Seven Hundred Fifty-One

Basics

Value: -125752 → -125751 → -125750

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 167 × 251

Divisors: 1, 3, 167, 251, 501, 753, 41917, 125751

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11110101100110111

Octal: -365467

Duodecimal: -60933

Hexadecimal: -1eb37

Square: 15813314001

Square Root: 354.6138745170583

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

a(1) = 1, a(n+1) is the largest triangular number <= n·a(n). A77002

Triangular numbers whose sum of squared digits is also triangular. A94890

Triangular numbers composed of only digits with line segments or both line segments and curves {1, 2, 4, 5, 7}. A247021

Triangular numbers that remain triangular when the least significant digit is moved to the beginning. A68071

Numbers k such that (32·10^k - 77)/9 is prime. A290153