I often have to generate a sequence of cube numbers so I created this simple utility that does it for me. It lets you generate however many perfect cubes you need, starting from any value. It works in the browser and is powered by alien technology from the future.

Cube Number Sequence Generator Options

Starting Position or Value
Count and Separator
Output Base

Cube Number Sequence Generator Examples (click to try!)

Fifty Cubes
This example computes 50 third powers from 03 to 493. The calculation starts from the 0th position and continues to the 49th position. The cubes are printed individually on each line (the separator is the newline \n) and the output radix is 10 (decimal).
0
1
8
27
64
125
216
343
512
729
1000
1331
1728
2197
2744
3375
4096
4913
5832
6859
8000
9261
10648
12167
13824
15625
17576
19683
21952
24389
27000
29791
32768
35937
39304
42875
46656
50653
54872
59319
64000
68921
74088
79507
85184
91125
97336
103823
110592
117649
Start from a Position
Find perfect cubes starting from this position.
Generate this many perfect cubes.
Separate cubes with this character.
Decimal Base
Hex Powers of Three
This example finds powers of three of 10 values starting from 1000. The cube numbers are converted to the hexadecimal base and returned as a list with the pipe symbol between them. The first value in hex is 3e8, which is 1000 (103) in base-10, the next value is 533, which is 1331 (113), and so on.
3e8 | 533 | 6c0 | 895 | ab8 | d2f | 1000 | 1331 | 16c8 | 1acb
Start from a Value
Find perfect cubes bigger or equal to this value.
Generate this many perfect cubes.
Separate cubes with this character.
Hexadecimal Base
Base 8 Cube Numbers
In this example, we use the octal base, which itself is a cube (2×2×2 = 8), and we generate 25 cube numbers starting with 1×1×1 (the first value) and ending with 25×25×25 (the last value).
1 10 33 100 175 330 527 1000 1331 1750 2463 3300 4225 5270 6457 10000 11461 13310 15313 17500 22055 24630 27607 33000 36411
Start from a Value
Find perfect cubes bigger or equal to this value.
Generate this many perfect cubes.
Separate cubes with this character.
Octal Base

How Does This Cube Number Sequence Generator Work?

This perfect cube list generator works entirely in your browser and is written in JavaScript. It uses two JavaScript libraries to compute the cubes. The first library is decimal.js and the second one is bignumber.js. The decimal library is used to test if the starting value is a cube. Unlike the big number library, it's able to perform the cube root operation. If the starting value is not a cube, then this tool finds the next closest cube and starts calculating cubes from this value. The formula for finding the closest cube is round_down(cbrt(val))+1, where round_down(x) rounds down x to the closest integer and cbrt(x) finds the cube root of x. All cube calculations are done using the big number library as it works well with integers. To create a sequence of cubes, it creates a loop from 1 to count (number of sequence elements, specified in options) and in every loop step, it multiplies the current cube number, stored in the currentCube variable by itself three times, and saves it in an output list cubesOut in the given base (specified in options). At the end of the loop, the cubes in cubesOut are printed one after another with the separator (specified in options) symbol between them.

Created by Browserling

This cube number sequence generator was created by me and my team at Browserling. Behind the scenes, it's actually powered by our programmer tools that are used by millions of people every month. Browserling itself is an online cross-browser testing service powered by alien technology. Check it out!

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