Properties of the Number 42538

Forty-Two Thousand Five Hundred Thirty-Eight

Basics

Value: 42537 → 42538 → 42539

Parity: even

Prime: No

Previous Prime: 42533

Next Prime: 42557

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 21269

Divisors: 1, 2, 21269, 42538

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011000101010

Octal: 123052

Duodecimal: 2074A

Hexadecimal: a62a

Square: 1809481444

Square Root: 206.24742422634034

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 where A092243 strictly changes sign. A269737

Values of n such that prime(n) does not divide any 10-digit pandigital number (i.e. any value in A050278). A292703

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 0), (-1, 1, 0), (0, 0, 1), (1, 0, -1)}. A148074

Numerators of continued fraction convergents to sqrt(798). A42538