1. Numbers
  2. Compare 1229 vs 1240

Compare 1229 vs 1240

Property12291240
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization1229123 × 51 × 311
Prime factorization12292 × 2 × 2 × 5 × 31
Divisors count216
Divisors1, 12291, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240
Number of properties90
Chen primes132nd 
Emirps55th 
Long primes78th 
Primes201st 
Pythagorean primes99th 
Sexy primes (2nd member)87th 
Sexy prime triplets (3rd member)33rd 
Sophie germain primes44th 
Twin primes (1st member)42nd 
Roman numberalsMCCXXIXMCCXL
Base 2100110011012100110110002
Base 31200112312002213
Base 410303141031204
Base 5144045144305
Base 65405654246
Base 73404734217
Base 82315823308
Base 91615916279
Base 10122910124010
Base 11a1811a2811
Base 128651287412
Base 137371374513
Base 1463b1464814
Base 1556e1557a15
Base 164cd164d816
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