Properties of the Number 85200

Eighty-Five Thousand Two Hundred

Basics

Value: 85199 → 85200 → 85201

Parity: even

Prime: No

Previous Prime: 85199

Next Prime: 85201

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 5 ² × 71

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100110011010000

Octal: 246320

Duodecimal: 41380

Hexadecimal: 14cd0

Square: 7259040000

Square Root: 291.8903903865285

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 in a rotated-square spiral with positive integers (A215468) among k's eight nearest neighbors five or more are primes. A215471

G.f.: x² * f''(x), where f(x) = ∏_k>=1 (1 + x^k). A278407

Let n have j digits {d_j, d_j-1, ..., d₂, d₁}. Sequence lists numbers n such that R(n) = d_j^b_j + d_j-1^b_(j-1) + ... + d₂^b_2 + d₁^b_1 for some permutation {b_j, b_j-1, ..., b₂, b₁} of the digits, where R(n) is the digits reverse of n. A276241

a(n) = 6·n*(9·n-5). A277984

Number of minimum vertex colorings in the n-Hanoi graph. A381320

Table T(n,k), n>=1 and k>=0, read by antidiagonals, related to A111146. A113326

Inverse function of N -> N injection A071155. A85200