Compare 1975 vs 1980

Property	1975	1980
Type	composite number	composite number
Unique factors	2	4
Total factors	3	6
Prime factorization	5² × 79¹	2² × 3² × 5¹ × 11¹
Prime factorization	5 × 5 × 79	2 × 2 × 3 × 3 × 5 × 11
Divisors count	6	36
Divisors	1, 5, 25, 79, 395, 1975	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	0	0
Roman numberals	MCMLXXV	MCMLXXX
Base 2	11110110111₂	11110111100₂
Base 3	2201011₃	2201100₃
Base 4	132313₄	132330₄
Base 5	30400₅	30410₅
Base 6	13051₆	13100₆
Base 7	5521₇	5526₇
Base 8	3667₈	3674₈
Base 9	2634₉	2640₉
Base 10	1975₁₀	1980₁₀
Base 11	1536₁₁	1540₁₁
Base 12	1187₁₂	1190₁₂
Base 13	b8c₁₃	b94₁₃
Base 14	a11₁₄	a16₁₄
Base 15	8ba₁₅	8c0₁₅
Base 16	7b7₁₆	7bc₁₆