Properties of the Number 83428

Eighty-Three Thousand Four Hundred Twenty-Eight

Basics

Value: 83427 → 83428 → 83429

Parity: even

Prime: No

Previous Prime: 83423

Next Prime: 83431

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 20857

Divisors: 1, 2, 4, 20857, 41714, 83428

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010111100100

Octal: 242744

Duodecimal: 40344

Hexadecimal: 145e4

Square: 6960231184

Square Root: 288.8390555309306

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(n) used for Cassels's Markoff forms MF(n) corresponding to the conjectured unique Markoff triples MT(n) with maximal entry m(n) = A002559(n), for n >= 1. A305310

Smallest prime that can be formed using the digits of first 3n+1 numbers, or 0 if no such number exists. A83428