121181

Properties

Appears in sequences

• Integer part of Gauss's Arithmetic-Geometric Mean M(1,n^4).at n=32A127760
• a(n) = number of n-lettered words in the alphabet {1, 2, 3} with as many occurrences of the substring (consecutive subword) [1, 2, 1] as of [2, 1, 2].at n=11A211298
• Primes that can be generated by the concatenation in base 9, in ascending order, of two consecutive integers read in base 10.at n=38A287312
• Primes p such that (p mod s) and (p mod t) are consecutive primes, where s is the sum of the digits of p and t is the product of the digits of p.at n=34A344127
• Prime numbersat n=11406