Properties of the Number -642162

Six Hundred Forty-Two Thousand One Hundred Sixty-Two

Basics

Value: -642163 → -642162 → -642161

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 19 × 43 × 131

Divisors: 1, 2, 3, 6, 19, 38, 43, 57, 86, 114

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -10011100110001110010

Octal: -2346162

Duodecimal: -26B756

Hexadecimal: -9cc72

Square: 412372034244

Square Root: 801.3501107506007

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

Number of ways of placing maximum number of nonattacking rooks on a triangular board with edge-length n (not counting rotations and reflections as distinct). A350191

Number of ways of placing maximum number of nonattacking rooks on a triangular board with edge-length n (symmetric solutions count only once). A350041