Properties of the Number 84428

Eighty-Four Thousand Four Hundred Twenty-Eight

Basics

Value: 84427 → 84428 → 84429

Parity: even

Prime: No

Previous Prime: 84421

Next Prime: 84431

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 21107

Divisors: 1, 2, 4, 21107, 42214, 84428

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100111001100

Octal: 244714

Duodecimal: 40A38

Hexadecimal: 149cc

Square: 7128087184

Square Root: 290.5649669178994

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

Second differences of A000219. A191660

Numbers n such that n 7's followed by n is prime. A84428