123323

Properties

Appears in sequences

• Numbers n whose English name has a greater length (A005589) than any smaller number.at n=40A052363
• Primes p such that every decimal digit d in p appears exactly d times.at n=5A078348
• Any digit d in the sequence says: "I am part of an integer in which you'll find d digits d".at n=29A108571
• Least nonnegative integer which requires n letters to spell in English, excluding spaces and hyphens. A right inverse of A005589.at n=49A134629
• Sorted list of strings that can be obtained by starting with 123 and repeatedly doubling any substring in place.at n=31A135475
• a(n) is the smallest number whose name in US English contains n consonants.at n=32A157899
• a(n) is the smallest number whose name in UK English contains n consonants.at n=36A157900
• a(n) is the smallest number greater than a(n-1) whose name in UK English contains n consonants.at n=36A157902
• Number of nX2 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j.at n=5A183415
• T(n,k)=Number of nXk 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j.at n=22A183419
• T(n,k)=Number of nXk 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j.at n=26A183419
• Numbers which have d digits "d", whenever one of their digits is "d", ordered by largest digit, then by size of the number.at n=22A247700
• Primes whose sum of reciprocal of digits is a prime.at n=36A266815
• Triangle T(n,k), n > 2, 1 < k < n, read by rows, where T(n,k) is in base n, the smallest prime consisting of digits d from a set of k nonzero consecutive digits, d times each, or -1 if no such number exists.at n=29A355700
• Numbers such that each digit "d" occurs d times, for every digit from 1 to the largest digit.at n=6A356369
• a(n) is the smallest prime such that its representation in base n contains each of the digits 0,1,...,n-2 at least once and does not contain the digit n-1.at n=4A371511
• Prime numbersat n=11589