Properties of the Number 66755

Sixty-Six Thousand Seven Hundred Fifty-Five

Basics

Value: 66754 → 66755 → 66756

Parity: odd

Prime: No

Previous Prime: 66751

Next Prime: 66763

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 13 ² × 79

Divisors: 1, 5, 13, 65, 79, 169, 395, 845, 1027, 5135

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010011000011

Octal: 202303

Duodecimal: 3276B

Hexadecimal: 104c3

Square: 4456230025

Square Root: 258.3698898865733

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

Denominators of the convergents of the continued fraction for L(3, chi4), where L(s, chi4) is the Dirichlet L-function for the non-principal character modulo 4. A153074

a(n) = 2ⁿ - 1 + 2·Fibonacci(n-1). A60161

Numbers k such that R_k+2 + 6·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256932

Numerators of the convergents of the continued fraction for L(3, chi4), where L(s, chi4) is the Dirichlet L-function for the non-principal character modulo 4. A153073

Numbers m such that m² + 1 is not divisible by k² + 1 for any k in [1,m-1]. A66755