Properties of the Number -642342

Six Hundred Forty-Two Thousand Three Hundred Forty-Two

Basics

Value: -642343 → -642342 → -642341

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 107057

Divisors: 1, 2, 3, 6, 107057, 214114, 321171, 642342

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011100110100100110

Octal: -2346446

Duodecimal: -26B886

Hexadecimal: -9cd26

Square: 412603244964

Square Root: 801.4624133420107

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

Number of necklaces with n white beads and 5·n black beads. A261499

(1/6) times the number of n-member subsets of [6n] whose elements sum to a multiple of n. A309185