Properties of the Number 84828

Eighty-Four Thousand Eight Hundred Twenty-Eight

Basics

Value: 84827 → 84828 → 84829

Parity: even

Prime: No

Previous Prime: 84827

Next Prime: 84857

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7069

Divisors: 1, 2, 3, 4, 6, 12, 7069, 14138, 21207, 28276

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10100101101011100

Octal: 245534

Duodecimal: 41110

Hexadecimal: 14b5c

Square: 7195789584

Square Root: 291.2524678007038

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)=Half the number of (n+1)X(k+1) binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. A184614

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

The array of A059578 read by antidiagonals in the 'up' direction. A59579

Half the number of (n+1)X4 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. A184608

Half the number of (n+1)X5 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. A184609

Maximum number of spheres of radius one that can be packed in a sphere of radius n. A84828