Properties of the Number 66278

Sixty-Six Thousand Two Hundred Seventy-Eight

Basics

Value: 66277 → 66278 → 66279

Parity: even

Prime: No

Previous Prime: 66271

Next Prime: 66293

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 31 × 1069

Divisors: 1, 2, 31, 62, 1069, 2138, 33139, 66278

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001011100110

Octal: 201346

Duodecimal: 32432

Hexadecimal: 102e6

Square: 4392773284

Square Root: 257.445139787101

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 n-node rooted identity trees of height 10. A229404

Number of 2n-node rooted identity trees of height n. A245090

Least solution to cototient(x) = n!, where cototient(x) = x-φ(x). A66278