Properties of the Number 66284

Sixty-Six Thousand Two Hundred Eighty-Four

Basics

Value: 66283 → 66284 → 66285

Parity: even

Prime: No

Previous Prime: 66271

Next Prime: 66293

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 73 × 227

Divisors: 1, 2, 4, 73, 146, 227, 292, 454, 908, 16571

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001011101100

Octal: 201354

Duodecimal: 32438

Hexadecimal: 102ec

Square: 4393568656

Square Root: 257.4567924914781

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

Numbers k such that 4·R_k + 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A99413

a(n) = A066135(4·n). A66284