1233 has a representation as a sum of two squares: 1233 = 122 + 332. 1233 is the smallest 2n-digit number that is the sum of the squares of its n-digit halves.
1233 is a Happy-Go-Lucky number (both Happy and Lucky).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0Kg0GcF2dqo8DHchD1rNHOlhrNjnlfc9kHzU9FU5qV1QQRd0zkxxC1Y9ATJ0wFctOm5l_F9d-epEZ0O9QPZQNlc9PGCG1jiRedplGPQDjqydk2cbT00pBF_v6tUZ2QxQcQQCWYHTLa7Q/s200/n1233.jpg)
Southern Pacific steam locomotive 1233 was built in 1918 by the Baldwin Locomotive Works in Pennsylvania.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0Kg0GcF2dqo8DHchD1rNHOlhrNjnlfc9kHzU9FU5qV1QQRd0zkxxC1Y9ATJ0wFctOm5l_F9d-epEZ0O9QPZQNlc9PGCG1jiRedplGPQDjqydk2cbT00pBF_v6tUZ2QxQcQQCWYHTLa7Q/s200/n1233.jpg)
Southern Pacific steam locomotive 1233 was built in 1918 by the Baldwin Locomotive Works in Pennsylvania.
Source: Number Gossip
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