Properties of the Number 85228

Eighty-Five Thousand Two Hundred Twenty-Eight

Basics

Value: 85227 → 85228 → 85229

Parity: even

Prime: No

Previous Prime: 85223

Next Prime: 85229

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 13 × 149

Divisors: 1, 2, 4, 11, 13, 22, 26, 44, 52, 143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100110011101100

Octal: 246354

Duodecimal: 413A4

Hexadecimal: 14cec

Square: 7263811984

Square Root: 291.9383496562245

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

Number of compositions of n into exactly n nonnegative parts <= five. A318113

a(n) = n + [n² if n is odd or n³ if n is even]. A181427

Number of 0..n arrays x(0..5) of 6 elements with each no smaller than the sum of its four previous neighbors modulo (n+1). A200470

T(n,k)=Number of 0..k arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo (k+1). A200469

G.f. satisfies: A(x) = sqrt(1 + 2·x*A(x)⁴ + 3·x²*A(x)⁶). A222050

a(n) = A222051(n)/binomial(2·n,n), the central terms in rows of triangle A220178 divided by the central binomial coefficients. A222052

Diagonal of array A085205. A85228