| Description: | Memorise digits spoken at 1 digit per second. |
| Memorisation: | Up to 450 digits heard |
| Recall: | 20 minutes |
Rank | Competitor | Score | Championship |
| 235 | MIN KYEONG CHAN | 19 digits | WMC 2021 |
| 317 | GEON U, KIM | 10 digits | WMC 2022 |
| 548 | JO YONG WOON | 2 digits | WMC 2021 |