Properties of the Number 42620

Forty-Two Thousand Six Hundred Twenty

Basics

Value: 42619 → 42620 → 42621

Parity: even

Prime: No

Previous Prime: 42611

Next Prime: 42641

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 2131

Divisors: 1, 2, 4, 5, 10, 20, 2131, 4262, 8524, 10655

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011001111100

Octal: 123174

Duodecimal: 207B8

Hexadecimal: a67c

Square: 1816464400

Square Root: 206.44611887851028

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 odd numbers k such that difference between halving and tripling steps in Collatz (3x+1) trajectory of k is n. A222753

Index where n first appears in A381597. A381599

Numerators of continued fraction convergents to sqrt(839). A42620