Elvis Presley had no less than 149 songs to appear on the Billboard Hot 100 popularity chart in the United States. [Blanchette]
There are 149 ways to put 8 queens on a 7-by-7 chessboard so that each queen attacks exactly one other queen. [Gardner]
An emirp formed from the digits of first three perfect squares. [Gupta]
The smallest three-digit prime containing 4 perfect
squares. Note that 4 is perfect square. [Capelle]
149 is the smallest prime which retains the end (unit) digit of its successor (139). E. g., the next such prime is
191 which comes after 181. [Murthy]
The only known prime in the concatenate square sequence. There are no others within the first 14916 terms. Note that a prime in the concatenate cube sequence has yet to be found.
149 and 191 are both prime. So are both 149*2^191+1 and 191*2^149+1. [Hartley]
The smallest 3-digit prime with distinct digits in each position such that inserting a zero between any two digits creates a new prime. [Patterson]
149 = 6^2 + 7^2 + 8^2. [Schlesinger]
149 is equal to the sum of two squares as well as is equal to the sum (in arithmetic progression) of three primes which are not sum of two squares: 23 + 43 + 83 = 149. [Teofilatto]
The smallest emirp with no prime digits. [Beedassy]
The smallest emirp that yields another when each digit d is
repeated d times: 14444999999999. [Silva]
The numbers  (149)*149! - prime(149) and (149)*149! + prime(149) are primes with prime length. [Firoozbakht]
149 is prime, but 1149, 2149, ..., 9149 are all composite.
This is the smallest excluding two trivial prime numbers 2
and 5. [Poo Sung]
For $149 dollars, Atlas Sports Genetics will test your child's DNA and send you a report listing the sports where your child is likely to succeed. [Robinette]
The smallest prime partial sum of extravagant numbers, also
called prodigal numbers, or wasteful numbers: 4 + 6 + 8 + 9
+ 12 + 18 + 20 + 22 + 24 + 26 = 149. [Post]
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