Base is a perfect power. Converting base from 9 to 3 and exponent from 10000 to 20000.
320000 - 1 27.55.112.17.41.61.101.151.193.251.401.1181.2251.3001.4001.8501.8951.14401.24001.100501.133201.150001.391151.394201.667501.8194721.21523361.22996651.34008001.42521761.53940001.358291751.462311251.700984481.1049890001.3566529601.6143310001.10299705001.14781691751.18055139801.27156600001.61070817601.125259580001.128653413121.292503690001.391632555001.124254307278001.597747428754241.989947158849251.6329454609315001.36502594199089001.1014095762243784001.2892802570463935001.7262557384174630001.61459926512826500975801.3805533029035887762840001.1880420669727399359827972501.2881605633108469892745895001.2278135721427929786778229917312351656251.10926991678214617525478597597911544053601.18742232789643925442848063953991252420535674502401.P54.P72.P74.P74.P135.P158.P215.c363.c457.c730.c901.c1900.c3771