13 ‖ number thirteen

integer, natural,
positive, counting number, odd

0. bin code

   0011000100110011

1. url code

   %31%33

2. html codes

   • 13
   • 13

3. css codes

   • \0031\0033
   • \31\33

4. js codes

   • \u0031\u0033
   • \u{31}\u{33}
   • \x31\x33

relates

• n.31
• n.33
• n.49
• n.51