207

207 is a Wedderburn-Etherington number.
There are exactly 207 different matchstick graphs with eight edges.
207 is a deficient number, as 207's proper divisors (divisors not including the number itself) only add up to 105: 1 + 3 + 9 + 23 + 69 = 105 < 207 {\displaystyle 1+3+9+23+69=105<207}.