1. Numbers
  2. Compare 1487 vs 1491

Compare 1487 vs 1491

Property14871491
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization1487131 × 71 × 711
Prime factorization14873 × 7 × 71
Divisors count28
Divisors1, 14871, 3, 7, 21, 71, 213, 497, 1491
Number of properties180
Chen primes153rd 
Cousin primes (2nd member)52nd 
Emirps71st 
Happy primes47th 
Long primes90th 
Primes236th 
Prime quadruplets (3rd member)6th 
Prime quintuplet 2s (3rd member)4th 
Prime triplets (1st member)41st 
Prime triplets (2nd member)40th 
Prime triplets (3rd member)39th 
Safe primes33rd 
Sexy primes (1st member)104th 
Sexy primes (2nd member)102nd 
Sexy prime quadrupletss (2nd member)9th 
Sexy prime triplets (1st member)40th 
Sexy prime triplets (2nd member)39th 
Twin primes (1st member)50th 
Roman numberalsMCDLXXXVIIMCDXCI
Base 2101110011112101110100112
Base 32001002320010203
Base 411303341131034
Base 5214225214315
Base 6105156105236
Base 74223742307
Base 82717827238
Base 92032920369
Base 10148710149110
Base 11113211113611
Base 12a3b12a4312
Base 138a5138a913
Base 147831478714
Base 156921569615
Base 165cf165d316
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