Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 505: | \[{16^{505}-1\over15}\] | 5 × 11 × 31 × 41 × 809 × 8081 × 32321 × 98981 × 223211 × 369661 × 432281 × 27338681 × 316273421 × 9491060093<10> × 5218735279937<13> × 6909226326451<13> × 7432339208719<13> × 46393668925691<14> × 82845386590381<14> × 600503817460697<15> × 145130814068214641<18> × 341117531003194129<18> × 1025698740064276331<19> × 1906785849099933631<19> × 53425037363873248657<20> × 727679956595455269121<21> × 4061881309402353667921<22> × 4830156472121217145581641<25> × 59970388037871582350272399931<29> × 845100400152152934331135470251<30> × 2429699425780877323377911266793981<34> × 5849536035946943021725873925722340491384209122316361<52> × 81546484733375544076045852635621136146782870422858345178081<59> × 698963720154843264243253784220387078257259218502563908013880224534654264461065235983821688087336215521<102> |