Properties of the Number 42782

Forty-Two Thousand Seven Hundred Eighty-Two

Basics

Value: 42781 → 42782 → 42783

Parity: even

Prime: No

Previous Prime: 42773

Next Prime: 42787

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 21391

Divisors: 1, 2, 21391, 42782

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010011100011110

Octal: 123436

Duodecimal: 20912

Hexadecimal: a71e

Square: 1830299524

Square Root: 206.83810093887442

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 c-squarefree numbers (A233564) less than 2ⁿ. A229898

Numerators of continued fraction convergents to sqrt(922). A42782