Properties of the Number -680991

Six Hundred Eighty Thousand Nine Hundred Ninety-One

Basics

Value: -680992 → -680991 → -680990

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 43 × 5279

Divisors: 1, 3, 43, 129, 5279, 15837, 226997, 680991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10100110010000011111

Octal: -2462037

Duodecimal: -28A113

Hexadecimal: -a641f

Square: 463748742081

Square Root: 825.2217883696479

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

T(n,k) = number of n X k 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X (k+1) 0..2 array without adjacent equal elements in the latter. A229521

Number of n X 3 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X 4 0..2 array without adjacent equal elements in the latter. A229516

Number of n X 7 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X 8 0..2 array without adjacent equal elements in the latter. A229520