Properties of the Number 82105

Eighty-Two Thousand One Hundred Five

Basics

Value: 82104 → 82105 → 82106

Parity: odd

Prime: No

Previous Prime: 82073

Next Prime: 82129

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 16421

Divisors: 1, 5, 16421, 82105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000010111001

Octal: 240271

Duodecimal: 3B621

Hexadecimal: 140b9

Square: 6741231025

Square Root: 286.5397005652096

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 binary strings of length n with no substrings equal to 0001 0010 or 0111. A164448

Array A(n, k) = (k·n)² + 4*(k·n) + 1, read by antidiagonals. A82105