346 is a Smith number. The sum of its digits equals the sum of all the digits appearing in its prime divisors (excluding 1).
346 is a Franel number.
346 has a representation as a sum of two squares: 346 = 112 + 152.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhkKuaHDK5uH7erRyR1LcKf25aJRnhC4WMJ3XuIIbl9epJf-ypRPYBgyztziHJQOPJTTKkU3atJME4tQMlM0Aa1dq25nRCguh4LV-oG8jOGCGhfDwS43oaHYFYPPqPNAPiBsCNVGB95Ww/s400/n0346.jpg)
The M-346 is an advanced fighter trainer aircraft being developed in Italy.
Source: Number Gossip
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhkKuaHDK5uH7erRyR1LcKf25aJRnhC4WMJ3XuIIbl9epJf-ypRPYBgyztziHJQOPJTTKkU3atJME4tQMlM0Aa1dq25nRCguh4LV-oG8jOGCGhfDwS43oaHYFYPPqPNAPiBsCNVGB95Ww/s400/n0346.jpg)
The M-346 is an advanced fighter trainer aircraft being developed in Italy.
Source: Number Gossip