4111 and 4127
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Consecutive numbers are whole numbers whose difference is 1.
5 AND 7
899 is 29 x 31
There are only two prime numbers that are consecutive numbers, 2 and 3. Their product is 2 x 3 = 6. The first prime numbers are 2, 3, 5, and 7 and the only two consecutive prime numbers whose product is a single digit are 2 and 3. (The next two consecutive prime numbers, 3 and 5, have a two-digit product.)
They are: 2+3+5 = 10