Compare 21283 vs 21290

Property	21283	21290
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	21283¹	2¹ × 5¹ × 2129¹
Prime factorization	21283	2 × 5 × 2129
Divisors count	2	8
Divisors	1, 21283	1, 2, 5, 10, 2129, 4258, 10645, 21290
Number of properties	5	0
Happy primes	395th
Isolated primes	1670th
Left-truncatable primes	170th
Primes	2391st
Sexy primes (2nd member)	724th
Roman numberals
Base 2	101001100100011₂	101001100101010₂
Base 3	1002012021₃	1002012112₃
Base 4	11030203₄	11030222₄
Base 5	1140113₅	1140130₅
Base 6	242311₆	242322₆
Base 7	116023₇	116033₇
Base 8	51443₈	51452₈
Base 9	32167₉	32175₉
Base 10	21283₁₀	21290₁₀
Base 11	14a99₁₁	14aa5₁₁
Base 12	10397₁₂	103a2₁₂
Base 13	98c2₁₃	98c9₁₃
Base 14	7a83₁₄	7a8a₁₄
Base 15	648d₁₅	6495₁₅
Base 16	5323₁₆	532a₁₆