801 (number)

Short description: Natural number

| <- 800  | 801 | 802 ->

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List of numbers — Integers

← 0 100 200 300 400 500 600 700 800 900 →

Cardinal| eight hundred one
Ordinal| 801st
(eight hundred first)
Factorization| 32 × 89
Greek numeral| ΩΑ´
Roman numeral| DCCCI
Binary| 11001000012
Ternary| 10022003
Quaternary| 302014
Quinary| 112015
Senary| 34136
Octal| 14418
Duodecimal| 56912
Hexadecimal| 32116
Vigesimal| 20120
Base 36| M936

801 (eight hundred [and] one) is the natural number following 800 and preceding 802.

801 is the sum of a square and positive cube in more than one way, and a sum of distinct positive cubes in more than one way:[1][2]

801=172+83=262+53=13+23+43+63+83=23+43+93.

In the gematria of 2nd century bishop Irenaeus, 801 stands for both the Greek word for a dove, and for Alpha and Omega, and therefore represents God in two ways.[3]

## See also

* 801 (disambiguation)

## References

1. ↑ Sloane, N. J. A., ed. "Sequence A055393 (Sum of a square and a nonnegative cube in more than one way)". OEIS Foundation. https://oeis.org/A055393.
2. ↑ Sloane, N. J. A., ed. "Sequence A003998 (Numbers that are a sum of distinct positive cubes in more than one way)". OEIS Foundation. https://oeis.org/A003998.
3. ↑ Barry, Kieren (1999), The Greek Qabalah: Alphabetical Mysticism and Numerology in the Ancient World, Weiser Books, pp. 110–111, ISBN 9781609252274, https://books.google.com/books?id=w70rWN_-ANAC&pg=PA110 .

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