Properties of the Number 85189

Eighty-Five Thousand One Hundred Eighty-Nine

Basics

Value: 85188 → 85189 → 85190

Parity: odd

Prime: No

Previous Prime: 85159

Next Prime: 85193

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 13 × 6553

Divisors: 1, 13, 6553, 85189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10100110011000101

Octal: 246305

Duodecimal: 41371

Hexadecimal: 14cc5

Square: 7257165721

Square Root: 291.8715470887836

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) arrays of permutations of 0..(n+1)*(k+1)-1 filled by rows with each element moved a city block distance of 0 1 or 2, and rows and columns in increasing lexicographic order. A263506

Indices where the cumulative sum of sin(2k+1)^2k+1 reaches a record low value. A387730

Number of (n+1) X (1+1) arrays of permutations of 0..n·2+1 filled by rows with each element moved a city block distance of 0 1 or 2, and rows and columns in increasing lexicographic order. A263503

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (1, -1, 1), (1, 0, -1), (1, 1, 1)}. A149613

Terms of A085190 halved. A85189