Compare 28109 vs 28121

Property2810928121
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization281091611 × 4611
Prime factorization2810961 × 461
Divisors count24
Divisors1, 281091, 61, 461, 28121
Number of properties61
Chen primes1490th 
Long primes1168th 
Primes3067th 
Pythagorean primes1528th 
Semiprimes 7010th
Super primes439th 
Twin primes (1st member)448th 
Roman numberals  
Base 211011011100110121101101110110012
Base 31102120002311021201123
Base 4123130314123131214
Base 51344414513444415
Base 633404563341056
Base 714464471446627
Base 8667158667318
Base 9425029425159
Base 1028109102812110
Base 111a134111a14511
Base 1214325121433512
Base 13ca4313ca5213
Base 14a35b14a36914
Base 1584de1584eb15
Base 166dcd166dd916
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