Properties of the Number 82009

Eighty-Two Thousand Nine

Basics

Value: 82008 → 82009 → 82010

Parity: odd

Prime: Yes

Previous Prime: 82007

Next Prime: 82013

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 82009

Divisors: 1, 82009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000001011001

Octal: 240131

Duodecimal: 3B561

Hexadecimal: 14059

Square: 6725476081

Square Root: 286.37213551601

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

Primes of the form 2·n²+6·n+1. A176549

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences. A295367

Upper twin primes of upper twin prime index. A88463

Number of strict partitions of 2n + 1 having an ordering of the parts in which no two neighboring parts have the same parity. A239883

Primes containing the digits (2,0,0,9) in that order. A197114

Number of permutations of [n] avoiding {1324, 2143, 3412}. A294702

Primes having only {0, 2, 8, 9} as digits. A386055

New factors appearing in the factorization of 5^k - 2^k as k increases. A109291

a(n) is the label of parent node of node n in tree shown in A082007. A82009