Compare 128971 vs 128978

Property	128971	128978
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	128971¹	2¹ × 64489¹
Prime factorization	128971	2 × 64489
Divisors count	2	4
Divisors	1, 128971	1, 2, 64489, 128978
Number of properties	6	1
Emirps	2434th
Long primes	4527th
Lucky primes	1582nd
Primes	12072nd
Semiprimes		29808th
Twin primes (2nd member)	1506th
Ulam primes	845th
Roman numberals
Base 2	11111011111001011₂	11111011111010010₂
Base 3	20112220201₃	20112220222₃
Base 4	133133023₄	133133102₄
Base 5	13111341₅	13111403₅
Base 6	2433031₆	2433042₆
Base 7	1045003₇	1045013₇
Base 8	373713₈	373722₈
Base 9	215821₉	215828₉
Base 10	128971₁₀	128978₁₀
Base 11	88997₁₁	889a3₁₁
Base 12	62777₁₂	62782₁₂
Base 13	4691b₁₃	46925₁₃
Base 14	35003₁₄	3500a₁₄
Base 15	28331₁₅	28338₁₅
Base 16	1f7cb₁₆	1f7d2₁₆