Compare 169987 vs 169997

Property	169987	169997
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	169987¹	139¹ × 1223¹
Prime factorization	169987	139 × 1223
Divisors count	2	4
Divisors	1, 169987	1, 139, 1223, 169997
Number of properties	5	1
Chen primes	6576th
Cousin primes (1st member)	1864th
Emirps	3457th
Isolated primes	11733rd
Primes	15496th
Semiprimes		38782nd
Roman numberals
Base 2	101001100000000011₂	101001100000001101₂
Base 3	22122011211₃	22122012012₃
Base 4	221200003₄	221200031₄
Base 5	20414422₅	20414442₅
Base 6	3350551₆	3351005₆
Base 7	1305406₇	1305422₇
Base 8	514003₈	514015₈
Base 9	278154₉	278165₉
Base 10	169987₁₀	169997₁₀
Base 11	106794₁₁	1067a3₁₁
Base 12	82457₁₂	82465₁₂
Base 13	5c4ac₁₃	5c4b9₁₃
Base 14	45d3d₁₄	45d49₁₄
Base 15	35577₁₅	35582₁₅
Base 16	29803₁₆	2980d₁₆