Properties of the Number 66738

Sixty-Six Thousand Seven Hundred Thirty-Eight

Basics

Value: 66737 → 66738 → 66739

Parity: even

Prime: No

Previous Prime: 66733

Next Prime: 66739

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 ² × 227

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 49, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010110010

Octal: 202262

Duodecimal: 32756

Hexadecimal: 104b2

Square: 4453960644

Square Root: 258.3369892214431

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 edges in regular n-gon after 2 generations of mitosis. A349968

a(n) = Product of (prime + 1) for first n primes - primorial (n); Sum of proper divisors of the n-th primorial. A74107

Number of binary strings of length n with equal numbers of 01001 and 10101 substrings. A164260

Positive numbers whose square starts and ends with exactly 44, and no 444. A348831

Table read by antidiagonals: T(n,k) (n >= 3, k >= 0) is the number of edges in a regular n-gon after k generations of mitosis. A350502

Primes that are concatenations of nonprime numbers. A66738