Returns non-zero if this index represents a pentagonal cell.
Examples
isPentagon(cell = c("8cbe63562a54bff","8cbe635631103ff"))
#> [1] 0 0
Returns non-zero if this index represents a pentagonal cell.
isPentagon(cell = c("8cbe63562a54bff","8cbe635631103ff"))
#> [1] 0 0