Compare 199819 vs 199821

Property	199819	199821
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	199819¹	3¹ × 43¹ × 1549¹
Prime factorization	199819	3 × 43 × 1549
Divisors count	2	8
Divisors	1, 199819	1, 3, 43, 129, 1549, 4647, 66607, 199821
Number of properties	7	0
Additive primes	7216th
Isolated primes	13655th
Long primes	6735th
Lucky primes	2315th
Primes	17972nd
Sexy primes (2nd member)	4294th
Sexy prime triplets (3rd member)	865th
Roman numberals
Base 2	110000110010001011₂	110000110010001101₂
Base 3	101011002201₃	101011002210₃
Base 4	300302023₄	300302031₄
Base 5	22343234₅	22343241₅
Base 6	4141031₆	4141033₆
Base 7	1461364₇	1461366₇
Base 8	606213₈	606215₈
Base 9	334081₉	334083₉
Base 10	199819₁₀	199821₁₀
Base 11	127144₁₁	127146₁₁
Base 12	97777₁₂	97779₁₂
Base 13	6cc49₁₃	6cc4b₁₃
Base 14	52b6b₁₄	52b6d₁₄
Base 15	3e314₁₅	3e316₁₅
Base 16	30c8b₁₆	30c8d₁₆