Properties of the Number 42679

Forty-Two Thousand Six Hundred Seventy-Nine

Basics

Value: 42678 → 42679 → 42680

Parity: odd

Prime: No

Previous Prime: 42677

Next Prime: 42683

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 ² × 13 × 67

Divisors: 1, 7, 13, 49, 67, 91, 469, 637, 871, 3283

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010110111

Octal: 123267

Duodecimal: 20847

Hexadecimal: a6b7

Square: 1821497041

Square Root: 206.5889638872319

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

Indices of primes in A100683. A232543

Number of compositions (ordered partitions) of n into distinct parts >= 3. A339101

Numbers k such that k and k+1 are both terms in A377209. A377271

Expansion of -(2·x+1)*(6·x²+4·x+1)/((3·x²+3·x+1)*(2·x³+2·x²+4·x+1)). A110688

Expansion of e.g.f. exp(exp(x) - 1 + x³/6). A361489

Denominators of continued fraction convergents to sqrt(869). A42679