Tetralogue

The tetralogue is equal to E1#4 = EEEE1 = 10¹⁰¹⁰¹⁰ using Hyper-E notation.^[1][2] The term was coined by Sbiis Saibian. It is equal to a one followed by a trialogue (ten trillitrestrigintatrecentillitrestrigintatrecentilliduotrigintatrecentillion) zeros. It is also equal to 10^^4 in up-arrow notation.

Writing down the full decimal expansion would take 10^{9,999,999,994} books of 400 pages each, with 2,500 digits on each page.

Username5243 calls this number goodcolduplex or dooquol, and it's equal to 10[2]4 = 10[1]10[1]10[1]10 in Username5243's Array Notation.^[3]

Etymology

The name of this number is based on Greek prefix "tetra-" and the suffix "-logue" for "logarithm".

Names in -illion systems

In the short scale, it is also called:

Approximations in other notations

Sources

1. ↑ Saibian, Sbiis. Hyper-E Numbers. Retrieved 2014-11-16.
2. ↑ Saibian, Sbiis. Ultimate Large Numbers List Part I. Retrieved 2014-11-16.
3. ↑ Part 1 - My Large Numbers

See also