Properties of the Number -188181

One Hundred Eighty-Eight Thousand One Hundred Eighty-One

Basics

Value: -188182 → -188181 → -188180

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 29 × 103

Divisors: 1, 3, 7, 9, 21, 29, 63, 87, 103, 203

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -101101111100010101

Octal: -557425

Duodecimal: -90A99

Hexadecimal: -2df15

Square: 35412088761

Square Root: 433.7983402457875

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

List of words over {1,8} with equal numbers of 1's and 8's. A214531

Number of starters in cyclic group of order 2n+1. A6204

Number of n X 3 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 4 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order. A227266