tables > repunit > 21

Base 21 Repunits

Table

Viewing: 78 – 78 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

78: \[{21^{78}-1\over20}\] 2 × 11 × 79 × 421 × 463 × 547 × 1171 × 11701 × 189437 × 629773 × 516094151 × 7021471715414521<16> × 7691526674487958994017<22> × 80459337199345300130638393<26>

Index range: 78 – 78 << prev next >>