Properties of the Number 66742

Sixty-Six Thousand Seven Hundred Forty-Two

Basics

Value: 66741 → 66742 → 66743

Parity: even

Prime: No

Previous Prime: 66739

Next Prime: 66749

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 × 17 × 151

Divisors: 1, 2, 13, 17, 26, 34, 151, 221, 302, 442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010110110

Octal: 202266

Duodecimal: 3275A

Hexadecimal: 104b6

Square: 4454494564

Square Root: 258.3447309313662

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 positive walks with n steps {-3,-2,-1,1,2,3} starting at the origin, ending at altitude 1, and staying strictly above the x-axis. A276852

Square numbers not divisible by 10 whose reverse is pentagonal. A66742