Properties of the Number 82132

Eighty-Two Thousand One Hundred Thirty-Two

Basics

Value: 82131 → 82132 → 82133

Parity: even

Prime: No

Previous Prime: 82129

Next Prime: 82139

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 20533

Divisors: 1, 2, 4, 20533, 41066, 82132

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000011010100

Octal: 240324

Duodecimal: 3B644

Hexadecimal: 140d4

Square: 6745665424

Square Root: 286.58681058276215

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

Smallest number that is the largest value in the Collatz (3x + 1) trajectories of exactly n initial values. (a(n)=0 if no such number exists.) A233293

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>2. A211614

Number of (3+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal. A232592

a(0)=a(1)=1; thereafter a(n+1) = 1 + a(n) + ∑_m=1..n binomial(2·n, 2·m-1)*a(n+1-m). A308008

a(0) = 5; for n > 0, a(n) is the greatest prime factor of PP(a(n-1))*a(n-1)-2 where PP(n) is an abbreviation for PreviousPrime(n). A82132