Compare 821207 vs 821212

Property	821207	821212
Type	prime	composite number
Unique factors	1	4
Total factors	1	5
Prime factorization	821207¹	2² × 7¹ × 139¹ × 211¹
Prime factorization	821207	2 × 2 × 7 × 139 × 211
Divisors count	2	24
Divisors	1, 821207	1, 2, 4, 7, 14, 28, 139, 211, 278, 422, 556, 844, 973, 1477, 1946, 2954, 3892, 5908, 29329, 58658, 117316, 205303, 410606, 821212
Number of properties	3	0
Chen primes	25306th
Primes	65510th
Twin primes (1st member)	6904th
Roman numberals
Base 2	11001000011111010111₂	11001000011111011100₂
Base 3	1112201111002₃	1112201111021₃
Base 4	3020133113₄	3020133130₄
Base 5	202234312₅	202234322₅
Base 6	25333515₆	25333524₆
Base 7	6660122₇	6660130₇
Base 8	3103727₈	3103734₈
Base 9	1481432₉	1481437₉
Base 10	821207₁₀	821212₁₀
Base 11	510a92₁₁	510a97₁₁
Base 12	33729b₁₂	3372a4₁₂
Base 13	229a2a₁₃	229a32₁₃
Base 14	1753b9₁₄	1753c0₁₄
Base 15	1134c2₁₅	1134c7₁₅
Base 16	c87d7₁₆	c87dc₁₆