Properties of the Number 85284

Eighty-Five Thousand Two Hundred Eighty-Four

Basics

Value: 85283 → 85284 → 85285

Parity: even

Prime: No

Previous Prime: 85259

Next Prime: 85297

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 23 × 103

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110100100100

Octal: 246444

Duodecimal: 41430

Hexadecimal: 14d24

Square: 7273360656

Square Root: 292.03424456731096

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

Coefficients in the expansion of C/B², in Watson's notation of page 118. A160525

Integers j not of form 3m+2 such that for any integer k > 0, j·10^k+1 has a divisor in the set { 7, 11, 13, 37 }. A243969

Number of chiral pairs of rows of n colors with exactly 6 different colors. A305626

a(n) = C(n+3,3)*n³/4. A85284

Half the number of (n+2)X5 binary arrays with each 3X3 subblock having a sum in 2..7. A186790