Properties of the Number 42650

Forty-Two Thousand Six Hundred Fifty

Basics

Value: 42649 → 42650 → 42651

Parity: even

Prime: No

Previous Prime: 42649

Next Prime: 42667

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ² × 853

Divisors: 1, 2, 5, 10, 25, 50, 853, 1706, 4265, 8530

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010011010

Octal: 123232

Duodecimal: 20822

Hexadecimal: a69a

Square: 1819022500

Square Root: 206.51876428063383

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

Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) = number of interior vertices where exactly three lines cross. A336489

Numbers k such that k and k+1 are both divisible by the total binary weight of their divisors (A093653). A338514

Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1. A37561

Triangle read by rows: T(n,k) is the number of k-dimensional faces of the n-dimensional Kunz cone, 0 <= k <= n. A364856

Numerators of continued fraction convergents to sqrt(855). A42650

Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically. A208082