Properties of the Number -39645

Thirty-Nine Thousand Six Hundred Forty-Five

Basics

Value: -39646 → -39645 → -39644

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 881

Divisors: 1, 3, 5, 9, 15, 45, 881, 2643, 4405, 7929

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001101011011101

Octal: -115335

Duodecimal: -1AB39

Hexadecimal: -9add

Square: 1571726025

Square Root: 199.11052207254141

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

Expansion of e.g.f. 1 / (4 - 3·exp(x))³. A367473

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly five ways. A76458