Compare 1980 vs 1983

Property	1980	1983
Type	composite number	semiprime
Unique factors	4	2
Total factors	6	2
Prime factorization	2² × 3² × 5¹ × 11¹	3¹ × 661¹
Prime factorization	2 × 2 × 3 × 3 × 5 × 11	3 × 661
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, 3, 661, 1983
Number of properties	0	1
Semiprimes		574th
Roman numberals	MCMLXXX	MCMLXXXIII
Base 2	11110111100₂	11110111111₂
Base 3	2201100₃	2201110₃
Base 4	132330₄	132333₄
Base 5	30410₅	30413₅
Base 6	13100₆	13103₆
Base 7	5526₇	5532₇
Base 8	3674₈	3677₈
Base 9	2640₉	2643₉
Base 10	1980₁₀	1983₁₀
Base 11	1540₁₁	1543₁₁
Base 12	1190₁₂	1193₁₂
Base 13	b94₁₃	b97₁₃
Base 14	a16₁₄	a19₁₄
Base 15	8c0₁₅	8c3₁₅
Base 16	7bc₁₆	7bf₁₆