Compare 20479 vs 20491

Property	20479	20491
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	20479¹	31¹ × 661¹
Prime factorization	20479	31 × 661
Divisors count	2	4
Divisors	1, 20479	1, 31, 661, 20491
Number of properties	7	1
Chen primes	1138th
Cousin primes (1st member)	353rd
Harmonic primes	842nd
Primes	2312th
Prime triplets (2nd member)	171st
Semiprimes		5200th
Solinas primes	89th
Twin primes (2nd member)	348th
Roman numberals
Base 2	100111111111111₂	101000000001011₂
Base 3	1001002111₃	1001002221₃
Base 4	10333333₄	11000023₄
Base 5	1123404₅	1123431₅
Base 6	234451₆	234511₆
Base 7	113464₇	113512₇
Base 8	47777₈	50013₈
Base 9	31074₉	31087₉
Base 10	20479₁₀	20491₁₀
Base 11	14428₁₁	14439₁₁
Base 12	ba27₁₂	ba37₁₂
Base 13	9424₁₃	9433₁₃
Base 14	766b₁₄	7679₁₄
Base 15	6104₁₅	6111₁₅
Base 16	4fff₁₆	500b₁₆