Properties of the Number 42866

Forty-Two Thousand Eight Hundred Sixty-Six

Basics

Value: 42865 → 42866 → 42867

Parity: even

Prime: No

Previous Prime: 42863

Next Prime: 42899

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 21433

Divisors: 1, 2, 21433, 42866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011101110010

Octal: 123562

Duodecimal: 20982

Hexadecimal: a772

Square: 1837493956

Square Root: 207.04105872990507

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

a(1) = 5; a(n+1) = a(n)-th nonprime, where nonprimes begin at 4. A25010

Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)>2. A212899

Number of cycle types of direct products of two degree-n permutations. A53391

Numerators of continued fraction convergents to sqrt(965). A42866