Properties of the Number 42807

Forty-Two Thousand Eight Hundred Seven

Basics

Value: 42806 → 42807 → 42808

Parity: odd

Prime: No

Previous Prime: 42797

Next Prime: 42821

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 × 751

Divisors: 1, 3, 19, 57, 751, 2253, 14269, 42807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010011100110111

Octal: 123467

Duodecimal: 20933

Hexadecimal: a737

Square: 1832439249

Square Root: 206.89852585265078

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 terms in 6th derivative of a function composed with itself n times. A22816

Numbers n such that n | 7ⁿ + 6ⁿ + 5ⁿ. A57234

a(n) = number of (0,1) matrices of size n X n whose determinants are k, where -L <= k <= +L and L = A003432(n). A94813

Denominators of continued fraction convergents to sqrt(934). A42807