Properties of the Number 84020

Eighty-Four Thousand Twenty

Basics

Value: 84019 → 84020 → 84021

Parity: even

Prime: No

Previous Prime: 84017

Next Prime: 84047

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 4201

Divisors: 1, 2, 4, 5, 10, 20, 4201, 8402, 16804, 21005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100000110100

Octal: 244064

Duodecimal: 40758

Hexadecimal: 14834

Square: 7059360400

Square Root: 289.8620361482338

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 which are either a divisor or a multiple of their 9's complement. A84020

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where n 2-colored objects are distributed into k containers of two kinds. Containers may be left empty. A383353