Upaminyané, tatimbang Collatz, indik napi ké ririgan wilangan bulat punika sané mapanguntat utawi nénten, sampun kauji anggén wilangan bulat sami ngantos 1,2 × 1012 (langkungan saking atriliun).
For instance, the Collatz conjecture, which concerns whether or not certain sequences of integers terminate, has been tested for all integers up to 1.2 × 1012 (over a trillion).