Two-Sided Prime/Examples/739,397
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Example of Two-Sided Prime
$739 \, 397$ is a two-sided prime:
| \(\ds 739 \, 397\) | \(\) | \(\ds \) | is the $59 \, 489$th prime | |||||||||||
| \(\ds 39 \, 397\) | \(\) | \(\ds \) | is the $4148$th prime | |||||||||||
| \(\ds 9397\) | \(\) | \(\ds \) | is the $1162$nd prime | |||||||||||
| \(\ds 397\) | \(\) | \(\ds \) | is the $75$th prime | |||||||||||
| \(\ds 97\) | \(\) | \(\ds \) | is the $25$th prime | |||||||||||
| \(\ds 7\) | \(\) | \(\ds \) | is the $4$th prime |
| \(\ds \) | \(\) | \(\ds 739 \, 397\) | is the $59 \, 489$th prime | |||||||||||
| \(\ds \) | \(\) | \(\ds 73 \, 939\) | is the $7296$th prime | |||||||||||
| \(\ds \) | \(\) | \(\ds 7393\) | is the $939$th prime | |||||||||||
| \(\ds \) | \(\) | \(\ds 739\) | is the $131$st prime | |||||||||||
| \(\ds \) | \(\) | \(\ds 73\) | is the $21$st prime | |||||||||||
| \(\ds \) | \(\) | \(\ds 7\) | is the $4$th prime |
$\blacksquare$
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $739,397$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $739,397$