3407 is 11200012 in base 3, 102112 in base 5, and 1022 in base 15.
3407 is a prime that is the sum of four consecutive composite numbers (A060329): 3407 = 850 + 851 + 852 + 854.
3407 is the upper prime of a difference of 16 between consecutive primes (A031935).
3407 is a number n such that googol - n is a prime (A108251).
Source: On-Line Encyclopedia of Integer Sequences
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