Compare 1980 vs 1982

Property	1980	1982
Type	composite number	semiprime
Unique factors	4	2
Total factors	6	2
Prime factorization	2² × 3² × 5¹ × 11¹	2¹ × 991¹
Prime factorization	2 × 2 × 3 × 3 × 5 × 11	2 × 991
Divisors count	36	4
Divisors	1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980	1, 2, 991, 1982
Number of properties	0	1
Semiprimes		573rd
Roman numberals	MCMLXXX	MCMLXXXII
Base 2	11110111100₂	11110111110₂
Base 3	2201100₃	2201102₃
Base 4	132330₄	132332₄
Base 5	30410₅	30412₅
Base 6	13100₆	13102₆
Base 7	5526₇	5531₇
Base 8	3674₈	3676₈
Base 9	2640₉	2642₉
Base 10	1980₁₀	1982₁₀
Base 11	1540₁₁	1542₁₁
Base 12	1190₁₂	1192₁₂
Base 13	b94₁₃	b96₁₃
Base 14	a16₁₄	a18₁₄
Base 15	8c0₁₅	8c2₁₅
Base 16	7bc₁₆	7be₁₆