Properties of the Number 85242

Eighty-Five Thousand Two Hundred Forty-Two

Basics

Value: 85241 → 85242 → 85243

Parity: even

Prime: No

Previous Prime: 85237

Next Prime: 85243

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 14207

Divisors: 1, 2, 3, 6, 14207, 28414, 42621, 85242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100110011111010

Octal: 246372

Duodecimal: 413B6

Hexadecimal: 14cfa

Square: 7266198564

Square Root: 291.96232633680665

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

a(n) = T(2·n,n), T given by A026736. A26737

Number of permutations avoiding the patterns {3241,3421,4321}; number of weak sorting class based on 3241. A111279

a(n) = [ a(n-1)/a(1) ] + [ a(n-3)/a(3) ] + [ a(n-5)/a(5) ] + ..., for n >= 3. A22878

a(n) = T(n, floor(n/2)), T given by A026736. A26742

a(n) = A085239(n+1) - 2. A85242