18 (alƙalami)

← 17 18 19 →
← 10 11 12 13 14 15 16 17 18 19 → ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	goma sha takwas
Factorization (en)	2 × 32
Greek numeral	ΙΗ´
Roman numeral	XVIII
Binary	100102
Ternary	2003
Octal (en)	228
Duodecimal (en)	1612
Hexadecimal (en)	1216

18 (goma sha takwas ko sha takwas) alƙalami ne, tsakanin 17 da 19.