Number Three

A street name for Heroin free-base (often looks like a light-brown powder), the often abused illegal narcotic. It can be smoked.

The number comes from the steps of purification until turning heroin into a salt (Number Four, that is).
Mostly used in Europe.

I mixed my Number Three with citric acid in order to turn it into a water-soluble salt for injecting.

by mudslime May 27, 2017

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General number field sieve

The General Number Field Sieve (which is informally 2/3 of the way towards being polynomial in the number of digits (but is still exponential)) is the best known way to factor large integers, in that it scales the best for very large numbers. We're talking like 150 or more digits. And stop reading urban-dictionary and go ask google or something you nerd (just like me ;3) see also: "Special Number Field Sieve" (not on here!)

For numbers with 150+ digits, if you're not going to use the GNFS (General number field sieve), then tbh just don't bother.

by mb6fbhsphdrcb April 23, 2025

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Graham's Number

This number is so purely indescribably large, that no mind in a fzgargagoltriplex years could fathom purely how monstrously large this number is. It may as well be infinity!
Here’s references for purely how large the number is:

(For Reference, on the basic scale, from addition to beyond decation.)
Level 1 - Addition; example 10+10 = 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1 = 20
Level 2 - Multiplication; example 10*10 (or 10x10) (or 10•10) = 10+10+10+10+10+10+10+10+10+10 = 100
Level 3 - Triation; example 10^10 = 10*10*10*10*10*10*10*10*10*10 = 10,000,000,000
Level 4 - Tetration; example 10^^10 = 10^10^10^10^10^10^10^10^10^10
Level 5 - Pentation; example 10^^^10 = 10^^10^^10^^10^^10^^10^^10^^10^^10^^10
Level 6 - Hexation; example 10^^^^10
- Now we use: 10{n}10, n represents the amount of ^'s in the number.
Level 7 - Heptation; example 10^^^^^10 (or 10{5}10)
Level 8 - Octation; example 10^^^^^^10 (or 10{6}10)
Level 9 - Ennation; example 10^^^^^^^10 (or 10{7}10)
Level 10 - Decation; example 10^^^^^^^^10 (or 10{8}10)
- Now we get to 10{10{n}10}10 numbers.
10{10{10}10}10
10{10{10{10}10}10}10
10{{1}}10 = 10{10{10{10…(10*){10}…(10*)10}10}10}10
With operator notation (which was just used) we can go further, but that’s all we need to know for graham’s number.

Without further ado, here’s the definition using that system.
G0 = 3{4}3
G1 = 3{3{4}3}3
G2 = 3{3{3{4}3}3}3
G3 = 3{3{3{3{4}3}3}3}3
…
G64 = 3{3{3{3{3…(65*){4}…(65*)3}3}3}3}3 or Graham's Number

Person 1: Hey, Person 2!
Person 2: What is it?
Person 1: Did you know that there’s a number called Graham's Number, and it’s a really large number and-
Person Graham's Number: Did someone say my name?

by idkwhatnametoputhere August 3, 2024

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