Properties of the Number -680800

Six Hundred Eighty Thousand Eight Hundred

Basics

Value: -680801 → -680800 → -680799

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 5 ² × 23 × 37

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 23, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -10100110001101100000

Octal: -2461540

Duodecimal: -289B94

Hexadecimal: -a6360

Square: 463488640000

Square Root: 825.1060537894507

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) = ∑_{k=0..floor(3·n/8)} binomial(k+2,2) * binomial(k,3·n-8·k). A392316

Numbers k such that k and k² use only the digits 0, 3, 4, 6 and 8. A136931

Number of integers in n-th generation of tree T(5/2) defined in Comments. A274153