Compare 212780 vs 212791

Property	212780	212791
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 5¹ × 10639¹	212791¹
Prime factorization	2 × 2 × 5 × 10639	212791
Divisors count	12	2
Divisors	1, 2, 4, 5, 10, 20, 10639, 21278, 42556, 53195, 106390, 212780	1, 212791
Number of properties	0	3
Harmonic primes		7129th
Isolated primes		14481st
Primes		19028th
Roman numberals
Base 2	110011111100101100₂	110011111100110111₂
Base 3	101210212202₃	101210220011₃
Base 4	303330230₄	303330313₄
Base 5	23302110₅	23302131₅
Base 6	4321032₆	4321051₆
Base 7	1544231₇	1544245₇
Base 8	637454₈	637467₈
Base 9	353782₉	353804₉
Base 10	212780₁₀	212791₁₀
Base 11	135957₁₁	135967₁₁
Base 12	a3178₁₂	a3187₁₂
Base 13	75b09₁₃	75b17₁₃
Base 14	57788₁₄	57795₁₄
Base 15	430a5₁₅	430b1₁₅
Base 16	33f2c₁₆	33f37₁₆