(u)5²⁰⁰⁶ = 5
5 ridicat la orice putere se termina in 5
(u)6¹⁰¹¹ = 6
6 ridicat la orice putere se termina in 6
(u)7²⁰⁰⁵ = (u)7²⁰⁰⁴ₓ7¹ = (u)7¹ = 7
7 ridicat la putere se repeta la interval de 4 (7, 9, 3, 1)
*(u)5²⁰⁰⁶ + 6¹⁰¹¹ + 7²⁰⁰⁵ = 5 + 6 + 7 = 18 = 8