111373

Properties

Appears in sequences

• Smallest natural number requiring n letters in English.at n=51A001166
• Primes that remain prime through 4 iterations of function f(x) = 9x + 4.at n=29A023325
• Primes that remain prime through 5 iterations of the function f(x) = 9x + 4.at n=6A023353
• Indices of records in length of English name of n including spaces and dashes (A052360): n such that k < n => A052360(k) < A052360(n).at n=42A052362
• Numbers n whose English name has a greater length (A005589) than any smaller number.at n=36A052363
• a(n), when spelled in English, is the smallest positive integer with exactly n letters.at n=45A080777
• a(n) is the smallest positive integer > a(n-1) with exactly n letters when spelled in English.at n=45A084390
• Least nonnegative integer which requires n letters to spell in English, excluding spaces and hyphens. A right inverse of A005589.at n=45A134629
• Middle of 3 consecutive prime numbers such that p1*p2*p3 + d1 + d2 - 1 = average of twin prime pairs, d1 (delta) = p2 - p1, d2 (delta) = p3 - p2.at n=28A153404
• a(n) is the smallest nonnegative number whose American English name has the letter "e" in the n-th position.at n=47A164790
• a(n) is the smallest number which has in its English name the letter "e" in the n-th position beginning the count from the end, or -1 if no such number exists.at n=45A173203
• a(n) is the smallest number which has in its English name the letter "n" in the n-th position beginning the count from the end.at n=46A173204
• Primes with ten embedded primes.at n=3A179918
• Each entry is the first of three consecutive primes with equal digital sum.at n=4A209396
• Primes such that concatenation of two adjacent terms and two adjacent digits is also prime.at n=22A224929
• Decimal numbers which give three prime numbers when split into three equal parts whose sum is prime. No leading zeros.at n=39A243766
• Decimal prime numbers which can be split into three equal-sized prime parts whose sum is prime. No leading zeros.at n=15A243767
• a(n) is the smallest positive number whose American English name has the letter "e" in the n-th position.at n=47A362120
• Prime numbersat n=10566