Properties of the Number 85064

Eighty-Five Thousand Sixty-Four

Basics

Value: 85063 → 85064 → 85065

Parity: even

Prime: No

Previous Prime: 85061

Next Prime: 85081

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 7 ³ × 31

Divisors: 1, 2, 4, 7, 8, 14, 28, 31, 49, 56

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100110001001000

Octal: 246110

Duodecimal: 41288

Hexadecimal: 14c48

Square: 7235884096

Square Root: 291.6573331839952

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal. A236987

a(n) = number of triangles that can be formed from the points of a 3 X n grid. A262402

G.f. A(x) satisfies: A(x) = 1 + ∑_k>=1 k·x^k*A(x)^k/(1 - x^k). A307398

Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal. A236981

Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal. A236983

Degrees of irreducible representations of O'Nan group ON. A3919

a(n) = smallest k such that nk-1 as well as n+k are primes. A85064