Compare 280121 vs 281993

Property280121281993
Typeprimeprime
Unique factors11
Total factors11
Prime factorization28012112819931
Prime factorization280121281993
Divisors count22
Divisors1, 2801211, 281993
Number of properties56
Chen primes10060th 
Cousin primes (2nd member) 2832nd
Harmonic primes 9185th
Isolated primes18772nd18901st
Long primes 9223rd
Primes24443rd24604th
Sophie germain primes2703rd2714th
Super primes2714th 
Roman numberals  
Base 21000100011000111001210001001101100010012
Base 311202002021231120222110123
Base 41010120321410103120214
Base 5324304415330104335
Base 6100005056100133056
Base 72244452722530657
Base 81043071810466118
Base 946622594687359
Base 102801211028199310
Base 111815061118295811
Base 121161351211723512
Base 139a66a139b47a13
Base 14741291474aa514
Base 1557eeb155884815
Base 16446391644d8916
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