49 (number)

This article is about the number 49. For the year, see 49.

49 (forty-nine) is a number. It comes between forty-eight and fifty, and is an odd number. It is divisible by 7. 49 is the 7th square number after 1, 4, 9, 16, 25, and 36.

← 48 49 50 →
← 40 41 42 43 44 45 46 47 48 49 → ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	forty-nine
Ordinal	49th (forty-ninth)
Factorization	72
Roman numeral	XLIX
Binary	1100012
Ternary	12113
Quaternary	3014
Quinary	1445
Senary	1216
Octal	618
Duodecimal	4112
Hexadecimal	3116
Vigesimal	2920
Base 36	1D36