Compare 21000 vs 21001

Property	21000	21001
Type	composite number	prime
Unique factors	4	1
Total factors	8	1
Prime factorization	2³ × 3¹ × 5³ × 7¹	21001¹
Prime factorization	2 × 2 × 2 × 3 × 5 × 5 × 5 × 7	21001
Divisors count	64	2
Divisors	1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 4200, 5250, 7000, 10500, 21000	1, 21001
Number of properties	0	5
Chen primes		1162nd
Harmonic primes		867th
Isolated primes		1648th
Primes		2361st
Pythagorean primes		1173rd
Roman numberals
Base 2	101001000001000₂	101001000001001₂
Base 3	1001210210₃	1001210211₃
Base 4	11020020₄	11020021₄
Base 5	1133000₅	1133001₅
Base 6	241120₆	241121₆
Base 7	115140₇	115141₇
Base 8	51010₈	51011₈
Base 9	31723₉	31724₉
Base 10	21000₁₀	21001₁₀
Base 11	14861₁₁	14862₁₁
Base 12	101a0₁₂	101a1₁₂
Base 13	9735₁₃	9736₁₃
Base 14	7920₁₄	7921₁₄
Base 15	6350₁₅	6351₁₅
Base 16	5208₁₆	5209₁₆