Compare 121427 vs 121439

Property121427121439
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization311 × 391711214391
Prime factorization31 × 3917121439
Divisors count42
Divisors1, 31, 3917, 1214271, 121439
Number of properties15
Chen primes 4956th
Emirps 2245th
Primes 11428th
Safe primes 786th
Semiprimes28146th 
Twin primes (1st member) 1436th
Roman numberals  
Base 2111011010010100112111011010010111112
Base 3200111200223200111202023
Base 413122110341312211334
Base 5123412025123412245
Base 62334055623341156
Base 71014005710140237
Base 835512383551378
Base 920450892045229
Base 101214271012143910
Base 1183259118326a11
Base 125a32b125a33b12
Base 1343367134337613
Base 1432375143238314
Base 1525ea21525eae15
Base 161da53161da5f16
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