1. Numbers
  2. Compare 142979 vs 142991

Compare 142979 vs 142991

Property142979142991
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization1429791231 × 62171
Prime factorization14297923 × 6217
Divisors count24
Divisors1, 1429791, 23, 6217, 142991
Number of properties61
Chen primes5711th 
Harmonic primes4976th 
Long primes4943rd 
Primes13264th 
Semiprimes 32847th
Sexy primes (2nd member)3259th 
Twin primes (1st member)1636th 
Roman numberals  
Base 210001011101000001121000101110100011112
Base 3210210101123210210102223
Base 420232200342023220334
Base 5140334045140334315
Base 63021535630215556
Base 71133564711336127
Base 842720384272178
Base 923711592371289
Base 101429791014299110
Base 1198471119848211
Base 126a8ab126a8bb12
Base 1350105135011413
Base 143a16b143a17914
Base 152c56e152c57b15
Base 1622e831622e8f16
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