Properties of the Number 42250

Forty-Two Thousand Two Hundred Fifty

Basics

Value: 42249 → 42250 → 42251

Parity: even

Prime: No

Previous Prime: 42239

Next Prime: 42257

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 ³ × 13 ²

Divisors: 1, 2, 5, 10, 13, 25, 26, 50, 65, 125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010010100001010

Octal: 122412

Duodecimal: 2054A

Hexadecimal: a50a

Square: 1785062500

Square Root: 205.54804791094466

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

Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 17 ways. A97239

A diagonal of A008296. A59302

Infinitary Ruth-Aaron numbers: numbers k such that A181894(k) = A181894(k+1). A330999

Primitive integers for the number of ways k to write as a sum of two squares. A336542

Cubes written in base 8. A4638

Number of partitions of n into parts not of the form 23k, 23k+4 or 23k-4. Also number of partitions with at most 3 parts of size 1 and differences between parts at distance 10 are greater than 1. A35992

Numbers k that divide 9^k + 7^k. A45605

Number of plane partitions of n with 6 parts. A391705

Numerators of continued fraction convergents to sqrt(651). A42250

Number of (n+2)X3 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..2 introduced in row major order. A204506