Properties of the Number 42541

Forty-Two Thousand Five Hundred Forty-One

Basics

Value: 42540 → 42541 → 42542

Parity: odd

Prime: No

Previous Prime: 42533

Next Prime: 42557

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 19 × 2239

Divisors: 1, 19, 2239, 42541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010011000101101

Octal: 123055

Duodecimal: 20751

Hexadecimal: a62d

Square: 1809736681

Square Root: 206.2546969162157

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

Denominators of continued fraction convergents to sqrt(524). A42003

Denominators of continued fraction convergents to sqrt(131). A41239

Number of 2 X 2 0..n arrays with rows and columns in lexicographically nondecreasing order. A229795

Number of n X n binary arrays symmetric under 180 degree rotation with all 1's connected only in a 2 X 3 U in any orientation. A146062

Denominators of continued fraction convergents to sqrt(799). A42541