Properties of the Number 66788

Sixty-Six Thousand Seven Hundred Eighty-Eight

Basics

Value: 66787 → 66788 → 66789

Parity: even

Prime: No

Previous Prime: 66763

Next Prime: 66791

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 59 × 283

Divisors: 1, 2, 4, 59, 118, 236, 283, 566, 1132, 16697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010011100100

Octal: 202344

Duodecimal: 32798

Hexadecimal: 104e4

Square: 4460636944

Square Root: 258.4337439267558

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

Even pseudoprimes to base 29. A130439

Numbers k such that k | 8^k + 8. A15897

Number of partitions of n such that the number of even parts is a part or the number of odd parts is a part. A240576

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

Number of asymmetric (identity) trees with n nodes and 5 leaves. A55336

a(n) = gcd(φ(n), n² + 1). A66788