Properties of the Number 2236

Two Thousand Two Hundred Thirty-Six

Basics

Value: 2235 → 2236 → 2237

Parity: even

Prime: No

Previous Prime: 2221

Next Prime: 2237

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 43

Divisors: 1, 2, 4, 13, 26, 43, 52, 86, 172, 559

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100010111100

Octal: 4274

Duodecimal: 1364

Hexadecimal: 8bc

Square: 4999696

Square Root: 47.286361670147556

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

Solution to the Dancing School Problem with 3 girls and n+3 boys: f(3,n). A79908

List of free polyominoes in binary coding, ordered by number of bits, then value of the binary code. Can be read as irregular table with row lengths A000105 (in which case the offset is 0). A246521

Number of regions in a regular drawing of the complete bipartite graph K_n,n. A290131

a(n) = n*(n + 9). A28569

Numbers m such that there are precisely 11 groups of order m. A249554

Number of ways to place 3 nonattacking queens on a 3 X n board. A61989

a(n) = 13·a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 13. A88316

Positive integers n such that n¹³ + 1 is semiprime. A105237

Number of heptagonal regions in regular n-gon with all diagonals drawn. A67154

Continued cotangent recurrence a(n+1)=a(n)³+3·a(n) with a(1)=13. A145187