Properties of the Number -180625

One Hundred Eighty Thousand Six Hundred Twenty-Five

Basics

Value: -180626 → -180625 → -180624

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ⁴ × 17 ²

Divisors: 1, 5, 17, 25, 85, 125, 289, 425, 625, 1445

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -101100000110010001

Octal: -540621

Duodecimal: -88641

Hexadecimal: -2c191

Square: 32625390625

Square Root: 425

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(n) = (11·n + 7)². A17474

T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column. A207015

T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal. A207235

T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal. A207228

3·3 magic square containing seven squares, read by rows. A221669

Squares of pentagonal numbers: a(n) = (1/4)*n²*(3·n-1)². A100255

Numbers that are the sum of 2 nonzero squares in exactly 7 ways. A25290

Number of n X 2 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column. A207009

Squares which have one or more occurrences of exactly six different digits. A235721

Number of minimal dominating sets in the n X n bishop graph. A295899