Hello math fans,
Your hourly hectoc is here:

954982

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See https://hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

#math #mentalcalculator #hectoc

Hectoc

Problem for April 9th from the 2026 AMS Daily Epsilon of Math Calendar

@DailyEpsilon

#math #maths #mathematics #mathstodon

Hello everyone,
The hectoc of the hour is:

419462

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See https://hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

#math #mentalcalculator #hectoc

Hectoc

9 avril 1869 : #CeJourLà naissance de Élie Cartan (†6/5/1951), mathématicien français dont les travaux portent notamment sur les groupes et algèbres de Lie, la géométrie différentielle, les équations aux dérivées partielles. Il a introduit la notion de spineur.
https://fr.wikipedia.org/wiki/%C3%89lie_Cartan
#mathématiques #maths #math
Élie Cartan — Wikipédia

Hello,
A new hectoc for you:

869785

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See https://hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

#math #mentalcalculator #hectoc

Hectoc

Hi!
Your hourly hectoc is here:

316184

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See https://hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

#math #mentalcalculator #hectoc

Hectoc

A000028: Let k = p_1^e_1 p_2^e_2 p_3^e_3 ... be the prime factorization of n. Sequence gives k such that the sum of the numbers of 1's in the binary expansions of e_1, e_2, e_3, ... is odd
A000028 ➡️ https://oeis.org/A000028

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A000028.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A000028.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A000028.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

Greetings fellow humans,
Your hourly hectoc is here:

249272

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See https://hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

#math #mentalcalculator #hectoc

Hectoc