1,871 is a prime number from 1001-2000. 1,871 has 2 factors, 1 and 1,871. It is the 286th prime number, and the 118th prime number from 1001-2000.
1,871 is a quadruple prime, such that n + 2, n + 6 and n+ 8 are also prime (A007530), a mountain prime, such that its head and tail digits are ones and its interior digits are higher like a mountain (A134951), a esanacci prime (A074584) and an artiad prime (A001583).
Relationship with other odd numbers
The numbers before
- The previous prime number is 1,867, 4 numbers away.
- Therefore, 1,867 and 1,871 are cousin primes.
The numbers after
- The next prime number is 1,873, 2 numbers away.
- As a result, 1,871 and 1,873 are twin primes.
- The next prime number after 1,873 is 1,877.
- 1,871 and 1,877 are 6 numbers apart. They are sexy primes.