200003

Properties

Appears in sequences

• Primes p with the property that nextprime(p) is a substring of p^2.at n=4A052073
• Primes whose sum of digits is 5.at n=34A062341
• Smallest n-digit prime with all even digits except the least significant digit.at n=5A068691
• Smallest n-digit prime starting with a 2.at n=5A069590
• Primes of the form k*10^x + k + 1, where 0 < k < 9, x=0,1,2..at n=14A108816
• Happy primes of the form a*10^k + b with single-digit a and b, a > 0, k > 0.at n=22A109902
• Expansion of Molien series for 16-dimensional real Clifford group C_4 of genus 4 and order 178362777600.at n=34A110160
• Primes in increasing order with most significant digit following the cyclic pattern 2,3,5,7,2,3,5,7,2,3,5,7,...at n=20A113611
• a(n) = smallest n-digit prime which differs from the previous n-digit prime at every corresponding digit (or 0 if no such prime exists).at n=5A114017
• Naughty primes: primes in which the number of zeros is greater than the number of all other digits.at n=9A164968
• a(n) = 2*10^n + 3.at n=5A173041
• Primes of the form 2*10^k + 3.at n=3A177134
• Successive prime factors of 10^(10^100) - 10.at n=31A200924
• Primes of the form 5n^2 + 3.at n=33A201482
• Numbers n such that there are a, b with abs(sigma(a) - sigma(b)) = sigma(n) - n and a U b = n, where U is decimal concatenation.at n=33A239563
• Numbers n such that antisigma(n) is palindromic.at n=28A259541
• Primes having only {0, 2, 3} as digits.at n=31A260125
• Primes p such that the sum of the cubes of digits of p equals the sum of digits of p^3.at n=30A291052
• SanD primes with d = 14: p and p+d are both prime and digit sum A007953(p*(p+d)) = d.at n=17A307471
• Square array read by antidiagonals upwards: T(n,k) is the smallest k-digit prime p such that nextprime(p) is a substring of p^n; or -1 if no such prime exists, n>1, k>0.at n=20A383607