Properties of the Number -139689

One Hundred Thirty-Nine Thousand Six Hundred Eighty-Nine

Basics

Value: -139690 → -139689 → -139688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 17 × 83

Divisors: 1, 3, 9, 11, 17, 33, 51, 83, 99, 153

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010000110101001

Octal: -420651

Duodecimal: -68A09

Hexadecimal: -221a9

Square: 19513016721

Square Root: 373.7499163879505

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) = n*(n + 1)*(n² - 3·n + 6)/8. A4255

Duplicate of A004255. A101357