Properties of the Number 82147

Eighty-Two Thousand One Hundred Forty-Seven

Basics

Value: 82146 → 82147 → 82148

Parity: odd

Prime: No

Previous Prime: 82141

Next Prime: 82153

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 × 71 × 89

Divisors: 1, 13, 71, 89, 923, 1157, 6319, 82147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10100000011100011

Octal: 240343

Duodecimal: 3B657

Hexadecimal: 140e3

Square: 6748129609

Square Root: 286.6129794688301

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 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and avoiding the patterns z z+1 z+2 and z z-1 z-2. A209116

a(0)=1; for n >= 1, a(n) = ∑_k=0..n 8^k*N(n,k) where N(n,k) = (1/n)*C(n,k)*C(n,k+1) are the Narayana numbers (A001263). A82147