Compare 161969 vs 161978

Property	161969	161978
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	161969¹	2¹ × 80989¹
Prime factorization	161969	2 × 80989
Divisors count	2	4
Divisors	1, 161969	1, 2, 80989, 161978
Number of properties	5	1
Chen primes	6330th
Happy primes	2299th
Primes	14848th
Pythagorean primes	7402nd
Semiprimes		36997th
Twin primes (1st member)	1822nd
Roman numberals
Base 2	100111100010110001₂	100111100010111010₂
Base 3	22020011212₃	22020012012₃
Base 4	213202301₄	213202322₄
Base 5	20140334₅	20140403₅
Base 6	3245505₆	3245522₆
Base 7	1243133₇	1243145₇
Base 8	474261₈	474272₈
Base 9	266155₉	266165₉
Base 10	161969₁₀	161978₁₀
Base 11	100765₁₁	100773₁₁
Base 12	79895₁₂	798a2₁₂
Base 13	58952₁₃	5895b₁₃
Base 14	43053₁₄	4305c₁₄
Base 15	32ece₁₅	32ed8₁₅
Base 16	278b1₁₆	278ba₁₆