99999...99999 (32-digits)
This number is a prime.
99 9999992999 9999999999 9999999999
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The smallest prime p whose sum of digits equals the 60th
prime (i.e., 281). Curiously, p is an emirp and the sum of
digits of the 60th prime is a palindromic prime. [Bajpai]
Submitted: 2020-11-27 13:09:52; Last Modified: 2020-11-27 16:52:51.
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