Base-256 digits of Euler's number e's fractional part. Transcendental (Hermite 1873); conjectured normal but unproven.
Standard analysis sees: rich, high-entropy values; aperiodic / broadband; high-complexity (noise-like); high-dimensional / space-filling. The atlas detects no named structure beyond this. It sits beside Catalan G Digits in the atlas (standard-bank rank 21) — a neighbor conventional features miss.
Nothing beyond the standard reading — this source’s structure is already captured by standard features; the atlas adds no named residual.








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| Nearest neighbor | Distance | |
|---|---|---|
| AES Encrypted | 1.78 | cross-domain |
| √2 Digits | 1.98 | |
| Pi Digits | 1.98 |
Mostow Rigidity › Mostow Rigidity:volume_entropy | rank 5/298 | 4.4979 |
Nonstationarity › Nonstationarity:dynamic_coupling | rank 294/298 | 1.0893 |
Zipf–Mandelbrot (16-bit) › Zipf–Mandelbrot (16-bit):hapax_ratio | rank 4/298 | 0.8807 |