Compare 20520 vs 20521

Property	20520	20521
Type	composite number	prime
Unique factors	4	1
Total factors	8	1
Prime factorization	2³ × 3³ × 5¹ × 19¹	20521¹
Prime factorization	2 × 2 × 2 × 3 × 3 × 3 × 5 × 19	20521
Divisors count	64	2
Divisors	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520	1, 20521
Number of properties	0	6
Chen primes		1140th
Harmonic primes		843rd
Isolated primes		1619th
Primes		2316th
Pythagorean primes		1153rd
Ulam primes		172nd
Roman numberals
Base 2	101000000101000₂	101000000101001₂
Base 3	1001011000₃	1001011001₃
Base 4	11000220₄	11000221₄
Base 5	1124040₅	1124041₅
Base 6	235000₆	235001₆
Base 7	113553₇	113554₇
Base 8	50050₈	50051₈
Base 9	31130₉	31131₉
Base 10	20520₁₀	20521₁₀
Base 11	14465₁₁	14466₁₁
Base 12	ba60₁₂	ba61₁₂
Base 13	9456₁₃	9457₁₃
Base 14	769a₁₄	769b₁₄
Base 15	6130₁₅	6131₁₅
Base 16	5028₁₆	5029₁₆