Compare 199 vs 409

Property199409
Typeprimeprime
Unique factors11
Total factors11
Prime factorization19914091
Prime factorization199409
Divisors count22
Divisors1, 1991, 409
Number of properties109
Additive primes27th47th
Centered triangular primes4th5th
Chen primes36th57th
Emirps15th 
Happy primes 22nd
Isolated primes 39th
Lucas primes7th 
Lucky primes 22nd
Primes46th80th
Prime quadruplets (4th member)4th 
Prime triplets (3rd member)14th 
Pythagorean primes 39th
Sexy primes (2nd member)26th 
Twin primes (2nd member)15th 
Ulam primes 11th
Roman numberalsCXCIXCDIX
Base 21100011121100110012
Base 32110131200113
Base 430134121214
Base 51244531145
Base 6531615216
Base 7403711237
Base 830786318
Base 924195049
Base 101991040910
Base 111711134211
Base 12147122a112
Base 131241325613
Base 141031421314
Base 15d4151c415
Base 16c71619916
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