Number Manipulation I

Curated by : goc3

Average Problem Difficulty:

Manipulate numbers from one form to another.

Number Manipulation I Master

+50 points

Problem Title	Likes	Solvers
Problem 138. Number of 1s in the Binary Representation of a Number Created by: @bmtran (Bryant Tran) Tags binary, base, count	4	459
Problem 302. Convert Roman to Arabic Numerals Created by: Alan Chalker Tags roman numerals	2	109
Problem 324. 7 segment LED display Created by: Alan Chalker Tags number representations	7	272
Problem 2126. Split bread like the Pharaohs - Egyptian fractions and greedy algorithm Created by: Muthu Annamalai Tags rats, egyptian fraction	3	82
Problem 145. Increment a number, given its digits Created by: the cyclist Tags digit increment	13	666
Problem 172. Test if a Number is a Palindrome without using any String Operations Created by: @bmtran (Bryant Tran) Tags palindrome, number, powers of 10	4	240
Problem 227. Math with Roman Numerals Created by: eric landiech Tags encoding	1	88
Problem 602. Make a simplified barcode Created by: Doug Hull Tags ml101	3	164
Problem 603. Decode a simplified barcode Created by: Doug Hull Tags ml101	0	120
Problem 1748. Ripping numbers apart! Created by: Chris E. Tags matrix manipulation, string manipulation	3	105
Problem 1871. Numbers in extended form Created by: James Tags place value, extended form, third grade math	7	104
Problem 1879. Converting numbers back from extended form Created by: James Tags place value, extended form, third grade math	3	119
Problem 2040. Additive persistence Created by: Jean-Marie Sainthillier Tags recursion, persistence	6	173
Problem 2120. Rounding off numbers to n decimals Created by: Marcel Tags basic, easy, matlab	20	4938
Problem 2133. Reverse Calculator Created by: Vivek Tags reverse order number	2	191

Recent Group Finishers58

Recent Activity

	Caleb submitted Solution 14645612 to Problem 2120. Rounding off numbers to n decimals 4 hours and 23 minutes ago
	Sydney submitted Solution 14644682 to Problem 2120. Rounding off numbers to n decimals 6 hours and 59 minutes ago
	Thomas submitted Solution 14643323 to Problem 2120. Rounding off numbers to n decimals 23 hours and 52 minutes ago
	Clay submitted Solution 14640412 to Problem 145. Increment a number, given its digits on 2 May 2025 at 2:11
	William submitted Solution 14639570 to Problem 172. Test if a Number is a Palindrome without using any String Operations on 1 May 2025 at 21:55

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!