Properties of the Number 83205

Eighty-Three Thousand Two Hundred Five

Basics

Value: 83204 → 83205 → 83206

Parity: odd

Prime: No

Previous Prime: 83203

Next Prime: 83207

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 43 ²

Divisors: 1, 3, 5, 9, 15, 43, 45, 129, 215, 387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010100000101

Octal: 242405

Duodecimal: 40199

Hexadecimal: 14505

Square: 6923072025

Square Root: 288.45276909747287

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

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 203", based on the 5-celled von Neumann neighborhood. A279811

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 646", based on the 5-celled von Neumann neighborhood. A283584

Number of partitions p of n such that (number of numbers of the form 3k+1 in p) is a part of p. A241547

a(1) = 1, then smallest number not included earlier such that a(n)*a(n+1) + 1 is an n-th power. A83205