Compare 1969 vs 1980

Property	1969	1980
Type	semiprime	composite number
Unique factors	2	4
Total factors	2	6
Prime factorization	11¹ × 179¹	2² × 3² × 5¹ × 11¹
Prime factorization	11 × 179	2 × 2 × 3 × 3 × 5 × 11
Divisors count	4	36
Divisors	1, 11, 179, 1969	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
Number of properties	1	0
Semiprimes	570th
Roman numberals	MCMLXIX	MCMLXXX
Base 2	11110110001₂	11110111100₂
Base 3	2200221₃	2201100₃
Base 4	132301₄	132330₄
Base 5	30334₅	30410₅
Base 6	13041₆	13100₆
Base 7	5512₇	5526₇
Base 8	3661₈	3674₈
Base 9	2627₉	2640₉
Base 10	1969₁₀	1980₁₀
Base 11	1530₁₁	1540₁₁
Base 12	1181₁₂	1190₁₂
Base 13	b86₁₃	b94₁₃
Base 14	a09₁₄	a16₁₄
Base 15	8b4₁₅	8c0₁₅
Base 16	7b1₁₆	7bc₁₆