Left-Truncated Automorphic Number is Automorphic/Examples/1,787,109,376
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Example of Left-Truncated Automorphic Number is Automorphic
We have that $1 \, 787 \, 109 \, 376$ is automorphic:
- $1 \, 787 \, 109 \, 376^2 = 3 \, 193 \, 759 \, 92 \, \mathbf {1 \, 787 \, 109 \, 376}$
Hence so is $109 \, 376$:
- $109 \, 376^2 = 11 \, 963 \, \mathbf {109 \, 376}$
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $1,787,109,376$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $1,787,109,376$