Compare 28081 vs 28091

Property	28081	28091
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	28081¹	7¹ × 4013¹
Prime factorization	28081	7 × 4013
Divisors count	2	4
Divisors	1, 28081	1, 7, 4013, 28091
Number of properties	7	1
Additive primes	1403rd
Happy primes	493rd
Isolated primes	2172nd
Primes	3063rd
Pythagorean primes	1526th
Semiprimes		7002nd
Sexy primes (1st member)	905th
Ulam primes	234th
Roman numberals
Base 2	110110110110001₂	110110110111011₂
Base 3	1102112001₃	1102112102₃
Base 4	12312301₄	12312323₄
Base 5	1344311₅	1344331₅
Base 6	334001₆	334015₆
Base 7	144604₇	144620₇
Base 8	66661₈	66673₈
Base 9	42461₉	42472₉
Base 10	28081₁₀	28091₁₀
Base 11	1a109₁₁	1a118₁₁
Base 12	14301₁₂	1430b₁₂
Base 13	ca21₁₃	ca2b₁₃
Base 14	a33b₁₄	a347₁₄
Base 15	84c1₁₅	84cb₁₅
Base 16	6db1₁₆	6dbb₁₆