Compare 638977 vs 638989

Property	638977	638989
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	638977¹	13² × 19¹ × 199¹
Prime factorization	638977	13 × 13 × 19 × 199
Divisors count	2	12
Divisors	1, 638977	1, 13, 19, 169, 199, 247, 2587, 3211, 3781, 33631, 49153, 638989
Number of properties	5	0
Isolated primes	40753rd
Lucky primes	5967th
Primes	52000th
Proth primes	194th
Sexy primes (2nd member)	11267th
Roman numberals
Base 2	10011100000000000001₂	10011100000000001101₂
Base 3	1012110111211₃	1012110112021₃
Base 4	2130000001₄	2130000031₄
Base 5	130421402₅	130421424₅
Base 6	21410121₆	21410141₆
Base 7	5300623₇	5300641₇
Base 8	2340001₈	2340015₈
Base 9	1173454₉	1173467₉
Base 10	638977₁₀	638989₁₀
Base 11	3a7089₁₁	3a709a₁₁
Base 12	269941₁₂	269951₁₂
Base 13	194ac1₁₃	194b00₁₃
Base 14	128c13₁₄	128c21₁₄
Base 15	c94d7₁₅	c94e4₁₅
Base 16	9c001₁₆	9c00d₁₆