Properties of the Number 66163

Sixty-Six Thousand One Hundred Sixty-Three

Basics

Value: 66162 → 66163 → 66164

Parity: odd

Prime: No

Previous Prime: 66161

Next Prime: 66169

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 109 × 607

Divisors: 1, 109, 607, 66163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001001110011

Octal: 201163

Duodecimal: 32357

Hexadecimal: 10273

Square: 4377542569

Square Root: 257.221694263917

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

Divide the natural numbers in sets of consecutive numbers starting with {1,2} as the first set. The number of elements of the n-th set is equal to the sum of the n-1 final numbers in the (n-1)st set. The final number of the n-th set gives a(n). A67353

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 65 ones. A31833

Let f(p,i) = smallest prime m >= p such that m == i (mod p); a(n) = ∑_i=0..p-1 f(p,i), where p = n-th prime. A243076

Let p be a prime of the form 4k+1; sequence gives (q!² + 4)/p where q = (p-3)/2. A66163