Compare 689981 vs 689990

Property	689981	689990
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	689981¹	2¹ × 5¹ × 7¹ × 9857¹
Prime factorization	689981	2 × 5 × 7 × 9857
Divisors count	2	16
Divisors	1, 689981	1, 2, 5, 7, 10, 14, 35, 70, 9857, 19714, 49285, 68999, 98570, 137998, 344995, 689990
Number of properties	4	0
Additive primes	21769th
Isolated primes	43829th
Primes	55814th
Sexy primes (1st member)	11989th
Roman numberals
Base 2	10101000011100111101₂	10101000011101000110₂
Base 3	1022001110212₃	1022001111012₃
Base 4	2220130331₄	2220131012₄
Base 5	134034411₅	134034430₅
Base 6	22442205₆	22442222₆
Base 7	5602415₇	5602430₇
Base 8	2503475₈	2503506₈
Base 9	1261425₉	1261435₉
Base 10	689981₁₀	689990₁₀
Base 11	431436₁₁	431444₁₁
Base 12	293365₁₂	293372₁₂
Base 13	1b2096₁₃	1b20a2₁₃
Base 14	13d645₁₄	13d650₁₄
Base 15	d968b₁₅	d9695₁₅
Base 16	a873d₁₆	a8746₁₆