Compare 21189 vs 21191

Property	21189	21191
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	3¹ × 7¹ × 1009¹	21191¹
Prime factorization	3 × 7 × 1009	21191
Divisors count	8	2
Divisors	1, 3, 7, 21, 1009, 3027, 7063, 21189	1, 21191
Number of properties	0	7
Chen primes		1171st
Cousin primes (2nd member)		361st
Primes		2383rd
Prime triplets (2nd member)		178th
Super primes		354th
Twin primes (1st member)		361st
Ulam primes		179th
Roman numberals
Base 2	101001011000101₂	101001011000111₂
Base 3	1002001210₃	1002001212₃
Base 4	11023011₄	11023013₄
Base 5	1134224₅	1134231₅
Base 6	242033₆	242035₆
Base 7	115530₇	115532₇
Base 8	51305₈	51307₈
Base 9	32053₉	32055₉
Base 10	21189₁₀	21191₁₀
Base 11	14a13₁₁	14a15₁₁
Base 12	10319₁₂	1031b₁₂
Base 13	984c₁₃	9851₁₃
Base 14	7a17₁₄	7a19₁₄
Base 15	6429₁₅	642b₁₅
Base 16	52c5₁₆	52c7₁₆