Compare 1220 vs 1229

Property12201229
Typecomposite numberprime
Unique factors31
Total factors41
Prime factorization22 × 51 × 61112291
Prime factorization2 × 2 × 5 × 611229
Divisors count122
Divisors1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 12201, 1229
Number of properties09
Chen primes 132nd
Emirps 55th
Long primes 78th
Primes 201st
Pythagorean primes 99th
Sexy primes (2nd member) 87th
Sexy prime triplets (3rd member) 33rd
Sophie germain primes 44th
Twin primes (1st member) 42nd
Roman numberalsMCCXXMCCXXIX
Base 2100110001002100110011012
Base 31200012312001123
Base 410301041030314
Base 5143405144045
Base 65352654056
Base 73362734047
Base 82304823158
Base 91605916159
Base 10122010122910
Base 11a0a11a1811
Base 128581286512
Base 1372b1373713
Base 146321463b14
Base 155651556e15
Base 164c4164cd16
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