Wp/nyn/4

4

positive integer, composite number, deficient number, square number, even number, centered triangular number, tetrahedral number, power of two, strictly non-palindromic number, harshad number, semiprime, trimorphic number, Motzkin number

follows	3
followed by	5
prime factor	2
maintained by WikiProject	WikiProject Mathematics
opposite of	−4, ¼

4 (ina) n'enamba erikwejunisibwa omu

kubara, erikurata (3) kandi ekakuratwa (5)