22573

This number is a prime.

Just showing those entries submitted by 'Bajpai': (Click here to show all)

The smallest prime-digit Happy prime to contain all of the prime digits. [Bajpai]

The smallest prime-digit Loeschian prime of the form x^2 + x*y + y^2 containing all of the prime digits, i.e., 131^2 + 131*33 + 33^2. [Bajpai]