Skip to main content
Mathematics
MC From Scratch's user avatar
MC From Scratch's user avatar
MC From Scratch's user avatar
MC From Scratch
  • Member for 5 years, 2 months
  • Last seen this week
Profile Activity
Stats
1,022
reputation
9k
reached
1
answer
38
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
6
silver badges
9
bronze badges
Top tags
View all tags
3
Score
12
Posts
31
Posts %
0
Score
26
Posts
67
Posts %
0
Score
14
Posts
36
Posts %
0
Score
13
Posts
33
Posts %
0
Score
11
Posts
28
Posts %
0
Score
10
Posts
26
Posts %
Top posts
View all questions and answers
8
Summing the totient function $\sum_{k=1}^n \varphi(k)$
Apr 29, 2019
8
Harmonic Numbers' Numerators Divisible by a Prime $p$
Oct 16, 2021
7
Sum of all integers up to $x$ with digit sum $t$
Jun 24, 2022
5
Fast Computation of the Divisor Summatory Function $\sum_{i=1}^x\sum_{d|i}d$
Jul 9, 2019
5
Summation of Squarefree Integers $\leq x$
Jul 10, 2019
4
Restricted Totient Sums $\sum_{n=1}^{\sqrt {L-1}}\widehat \varphi(B_n,n)$
May 8, 2019
4
Counting the Number of Lattice Points in an $n$-Dimensional Sphere
May 17, 2019
4
Counting numbers smaller than $N$ with exactly $k$ *distinct* prime factors
Mar 1, 2021
3
Smallest $k$ Such that $13 + 4 \cdot k \cdot p^2$ is a Perfect Odd Square
Oct 31, 2020
3
Possible Values of # of Ordered Factorization of Integers
Jan 4, 2021
Top network posts
View all network posts
9
Exactly Counting the Number of Lattice Points in an $n$-Dimensional Sphere
8
Unstable Integers
7
Computing the sum of the totient function up to 10^16
7
Multithreaded Segmented Sieve of Eratosthenes in Java
5
Computing the volume of the union of axis-aligned cubes