Properties of the Number -42729

Forty-Two Thousand Seven Hundred Twenty-Nine

Basics

Value: -42730 → -42729 → -42728

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 14243

Divisors: 1, 3, 14243, 42729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011011101001

Octal: -123351

Duodecimal: -20889

Hexadecimal: -a6e9

Square: 1825767441

Square Root: 206.70994170576316

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 ∏_k>=1 (1 + x^k)^φ(k), where φ() is the Euler totient function (A000010). A299069

Sum of logarithmic numbers. A2751

a(n) = A255448(2ⁿ-1). A255449