Properties of the Number 42618

Forty-Two Thousand Six Hundred Eighteen

Basics

Value: 42617 → 42618 → 42619

Parity: even

Prime: No

Previous Prime: 42611

Next Prime: 42641

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7103

Divisors: 1, 2, 3, 6, 7103, 14206, 21309, 42618

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011001111010

Octal: 123172

Duodecimal: 207B6

Hexadecimal: a67a

Square: 1816293924

Square Root: 206.44127494277882

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

Fixed points in A336957. A338050

G.f. A(x) satisfies A(x) = 1 + x·A(x)*abs( 1/A(x)² ). A380710

Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant >=n. A210366

Numbers k such that 2^2k+1 + 2^k+1 + 1 is prime. A6599

Numerators of continued fraction convergents to sqrt(838). A42618