Properties of the Number 42013

Forty-Two Thousand Thirteen

Basics

Value: 42012 → 42013 → 42014

Parity: odd

Prime: Yes

Previous Prime: 41999

Next Prime: 42017

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 42013

Divisors: 1, 42013

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1010010000011101

Octal: 122035

Duodecimal: 20391

Hexadecimal: a41d

Square: 1765092169

Square Root: 204.97072961767003

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 regions formed after n points have been placed in general position on each edge of a triangle (as in A365929). A367015

Number of self-conjugate inseparable solutions of X + Y = 2Z (integer, disjoint triples from {1,2,3,...,3n}). A279197

Primes at which the difference pattern X424Y (X and Y >= 6) occurs in A001223. A52166

Partial sums of A011757. A109770

Five-digit primes which use each of the decimal digits 0 through 4 exactly once. A109176

Primes formed by rearranging five consecutive decimal digits (avoiding leading 0). A156119

Primes whose digits can be arranged as consecutive digits (more precisely, to form a substring of 0123456789). A177119

Primes whose digits are a permutation of (0, ..., m) for some m. A187796

Primes of the form (prime(prime(k)) + prime(prime(k+1)))/2. A98042

T(n,n-4), array T as in A038792. A38794