Properties of the Number 84219

Eighty-Four Thousand Two Hundred Nineteen

Basics

Value: 84218 → 84219 → 84220

Parity: odd

Prime: No

Previous Prime: 84211

Next Prime: 84221

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 67 × 419

Divisors: 1, 3, 67, 201, 419, 1257, 28073, 84219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100011111011

Octal: 244373

Duodecimal: 408A3

Hexadecimal: 148fb

Square: 7092839961

Square Root: 290.2050998862701

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

Numbers k such that (2·k)!/(2*(k!)²) - 1 is prime. A112861

Number of rooted trees with n nodes such that seven equals the maximal number of subtrees of the same size extending from the same node. A318822

Number of rooted trees with n nodes such that seven equals the maximal number of isomorphic subtrees extending from the same node. A318864

Inverse binomial transform of A053088. A84219