Properties of the Number -180126

One Hundred Eighty Thousand One Hundred Twenty-Six

Basics

Value: -180127 → -180126 → -180125

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 10007

Divisors: 1, 2, 3, 6, 9, 18, 10007, 20014, 30021, 60042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011111110011110

Octal: -537636

Duodecimal: -882A6

Hexadecimal: -2bf9e

Square: 32445375876

Square Root: 424.4125351588947

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

Logarithmic derivative of the q-exponential of x, E_q(x,q), evaluated at q=-x. A198262

Number of 5 X n 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281209

Number of preimages of 321-avoiding permutations of [n] under West's stack-sorting map. A319027