Problems

1 – 20 of 20

Problem Title Likes Solvers Difficulty

Problem 2738. Sideways sum

Created by: Jan Orwat

Tags easy, number theory, pop series

Problem 46305. find the value

Created by: Maryam HCTRAK Alhebsi

Tags number theory

Problem 45189. Double Factorial

Created by: Mehmet OZC

Tags number theory, factorial, double factorial

Problem 47803. Check if the input is a strong prime

Created by: Mehmet OZC

Tags primes, number theory, strong prime

Problem 46000. Compute the harmonic numbers

Created by: ChrisR

Tags number theory

Problem 46054. Count trailing zeros in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

Problem 43130. Nth root

Created by: Abhishek Jain

Tags numbers, root, number theory

Problem 49738. Determine whether a prime is Pythagorean

Created by: ChrisR

Tags primes, pythagoras, number theory

Problem 46639. Transform a Decimal number into a Septimal number

Created by: Syed Shahed

Tags numbers, number theory

Problem 54370. Determine whether the given number is palindrome or not.

Created by: Abdullah Al Baki

Tags basic matlab, string manipulation, number theory

Problem 52060. Identify Ruth-Aaron numbers

Created by: ChrisR

Tags number theory, baseball, factor sum

Problem 43082. Reverse digits of a number

Created by: Mohammad Haghighat

Tags math, numbers, basic matlab

Problem 42865. Find the sum of n squares

Created by: William Mitchell

Tags number theory

160

Problem 45224. Wythoff Sequence

Created by: Asif Newaz

Tags number theory, sequence, oeis

Problem 2369. Tribute to Ramanujan

Created by: rifat

Tags number theory

Problem 52921. Easy Sequences 40: Quadratic Congruence

Created by: Ramon Villamangca

Tags easy, number theory, simple

Problem 44748. Amicable numbers

Created by: cdeliu

Tags number theory, divisors

Problem 51570. Count numbers whose reciprocals' decimal expansions terminate

Created by: ChrisR

Tags decimals, number theory

Problem 2370. Fermat's last theorem - again

Created by: rifat

Tags number theory

Problem 45960. Set the Euler-Mascheroni constant with an identity using available MATLAB functions

Created by: ChrisR

Tags numbers, number theory

1 – 20 of 20

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Problem Groups

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Problem Groups

Problems

Problem 2738. Sideways sum

Problem 46305. find the value

Problem 45189. Double Factorial

Problem 47803. Check if the input is a strong prime

Problem 46000. Compute the harmonic numbers

Problem 46054. Count trailing zeros in a primorial

Problem 43130. Nth root

Problem 49738. Determine whether a prime is Pythagorean

Problem 46639. Transform a Decimal number into a Septimal number

Problem 54370. Determine whether the given number is palindrome or not.

Problem 52060. Identify Ruth-Aaron numbers

Problem 43082. Reverse digits of a number

Problem 42865. Find the sum of n squares

Problem 45224. Wythoff Sequence

Problem 2369. Tribute to Ramanujan

Problem 52921. Easy Sequences 40: Quadratic Congruence

Problem 44748. Amicable numbers

Problem 51570. Count numbers whose reciprocals' decimal expansions terminate

Problem 2370. Fermat's last theorem - again

Problem 45960. Set the Euler-Mascheroni constant with an identity using available MATLAB functions