Properties of the Number 42575

Forty-Two Thousand Five Hundred Seventy-Five

Basics

Value: 42574 → 42575 → 42576

Parity: odd

Prime: No

Previous Prime: 42571

Next Prime: 42577

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 13 × 131

Divisors: 1, 5, 13, 25, 65, 131, 325, 655, 1703, 3275

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011001001111

Octal: 123117

Duodecimal: 2077B

Hexadecimal: a64f

Square: 1812630625

Square Root: 206.3371028196335

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 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero. A208826

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), (0, 1, -1), (1, 0, 1), (1, 1, -1), (1, 1, 0)}. A150602

Denominators of continued fraction convergents to sqrt(816). A42575

Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302666