111121

Properties

Appears in sequences

• Squares written in base 4.at n=37A001739
• Truncated cube numbers.at n=16A005912
• Primes that contain digits 1 and 2 only.at n=10A020450
• Smallest n-digit prime containing only digits 1 or 2 or -1 if no such prime exists.at n=5A036229
• Primes having only {0, 1, 2} as digits.at n=32A036953
• Multiplicative primes: product of digits is a prime.at n=23A046703
• Multiplicative and additive primes: primes where the product and sum of digits are also prime.at n=14A046713
• Numbers n such that sum of digits and product of digits are both prime.at n=27A052430
• Coefficients of monic primitive irreducible polynomials over GF(3) listed in lexicographic order.at n=26A058949
• Leftmost 1 is converted to a 2, which then propagates one step at a time until it is rightmost; then it changes to a pair of 1's and the process repeats.at n=26A071762
• a(1) = 1, then the smallest number not included earlier and not a string of 1's such that the concatenation a(n), a(n+1) is a palindrome.at n=13A083122
• a(n) = smallest prime which is a concatenation of 1, n, n^2, n^3, ... n^k for some k, or 0 if no such prime exists.at n=10A088621
• Primes whose decimal representation also represents a prime in base 3.at n=16A089981
• Prime numbers with prime sum of any two digits.at n=16A091939
• Primes from merging of 6 successive digits in decimal expansion of the Champernowne Constant.at n=8A104949
• Near-repunit primes.at n=31A105992
• Primes with maximal digit = 2.at n=28A106100
• Smallest prime of the set of five consecutive primes whose sum of digits is a set of five distinct primes.at n=16A106816
• Primes with digital product = 2.at n=3A107612
• Irregular triangle in which the n-th row contains all primes having digit sum n (not containing the digit '0') in increasing order.at n=39A113625