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+ 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]

+ The smallest emirp formed from the digits of three consecutive perfect squares. [Gupta]

+ The smallest three-digit prime containing 4 perfect squares, i.e., 1, 4, 9, 49. [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 pi(149)*149! - prime(149) and pi(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]

+ 149 in binary is 10010101. The zeros are in prime positions 2, 3, 5, and 7, when read left-to-right. These are the four single digit prime numbers. [Homewood]

(There are 9 curios for this number that have not yet been approved by an editor.)

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