ℕ
Definition from Wiktionary, the free dictionary
Character  ℕ  

Unicode name  DOUBLESTRUCK CAPITAL N  
Code point  U+2115  
Entity number  ℕ  
Unicode block  Letterlike Symbols  

See also: Appendix:Variations of "n"
Translingual[edit]
Symbol[edit]
ℕ
 (mathematics) The set of natural numbers, which may either include zero or not.