Properties of the Number 84200

Eighty-Four Thousand Two Hundred

Basics

Value: 84199 → 84200 → 84201

Parity: even

Prime: No

Previous Prime: 84199

Next Prime: 84211

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 ² × 421

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100011101000

Octal: 244350

Duodecimal: 40888

Hexadecimal: 148e8

Square: 7089640000

Square Root: 290.17236257093816

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

For every positive integer m, let u(m) = (d(1),d(2),...,d(k)) be the unitary divisors of m. The sequence (a(n)) consists of integers of the form d(k)/d(1) + d(k-1)/d(2) + ... + d(k)/d(1). A229999

Number of right triangles on a (n+1)X7 grid. A189811

Number x = concat(MSD(x),b) such that MSD(x)*b = φ(x), where MSD(x) is the Most Significant Digit of·and φ(x) is the Euler totient function of x. A286130

LeastCommonMultiple{q+1: q prime, q < prime(n), q+1 divides prime(n)+1}. A84200