Properties of the Number 85116

Eighty-Five Thousand One Hundred Sixteen

Basics

Value: 85115 → 85116 → 85117

Parity: even

Prime: No

Previous Prime: 85109

Next Prime: 85121

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 41 × 173

Divisors: 1, 2, 3, 4, 6, 12, 41, 82, 123, 164

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100110001111100

Octal: 246174

Duodecimal: 41310

Hexadecimal: 14c7c

Square: 7244733456

Square Root: 291.74646527421714

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) = 4·n*(n² - 3·n - 1)/3. A275876

Expansion of (4·x²+x-1)/(12·x³+4·x²+x-1). A147833

The number of integers k less than 2ⁿ whose decimal representation of their reciprocals has an odd period. A284904

Denominator of G(n) = ∑_k=1..n (1/(2·2^k)) * ∑_j=0..k-1 1/binomial(2^k-j+j,j). A85116