Compare 10987 vs 10991

Property	10987	10991
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	10987¹	29¹ × 379¹
Prime factorization	10987	29 × 379
Divisors count	2	4
Divisors	1, 10987	1, 29, 379, 10991
Number of properties	5	1
Emirps	278th
Harmonic primes	486th
Isolated primes	893rd
Primes	1334th
Semiprimes		2875th
Sexy primes (1st member)	437th
Roman numberals
Base 2	10101011101011₂	10101011101111₂
Base 3	120001221₃	120002002₃
Base 4	2223223₄	2223233₄
Base 5	322422₅	322431₅
Base 6	122511₆	122515₆
Base 7	44014₇	44021₇
Base 8	25353₈	25357₈
Base 9	16057₉	16062₉
Base 10	10987₁₀	10991₁₀
Base 11	8289₁₁	8292₁₁
Base 12	6437₁₂	643b₁₂
Base 13	5002₁₃	5006₁₃
Base 14	400b₁₄	4011₁₄
Base 15	33c7₁₅	33cb₁₅
Base 16	2aeb₁₆	2aef₁₆