Notice, CNN adjusted the spelling, from i to y on Alexey.

Today is 190 days after his birthday.

190 is the 19th triangular number
He is serving a 19 year prison sentence

The news broke about his 19 year sentence on August 4. That was 129 days before this news broke on Monday, December 11, 2023. 129 is 201 in base-8 counting.

Alexey Navalny=64 (born on June 4, or 6/4)

And notice he is 47. *News=47 *Ukraine=47

https://www.cnn.com/2023/12/11/europe/russian-opposition-leader-alexey-navalny-missing-intl/index.html