# Problems

1 – 48 of 48
 Problem Title Likes Solvers Difficulty

#### Problem 1952. Count decimal digits of a number

Created by: Dimitris Kaliakmanis

Tags numbers

1

194

#### Problem 1737. The sum of individual numbers...

Created by: Chris E.

3

68

Created by: Alex

5

377

0

40

Created by: Omer

0

45

#### Problem 44859. Get the value 100

Created by: Jesús Zambrano

1

23

#### Problem 2987. Hardy-Ramanujan number

Created by: Ritwik Rudra

0

71

#### Problem 272. Generalized N-Cards Problem

Created by: @bmtran (Bryant Tran)

4

25

#### Problem 45388. Gapful numbers

Created by: Asif Newaz

1

14

#### Problem 2627. Convert to Binary Coded Decimal

Created by: Pritesh Shah

4

96

#### Problem 46016. Determine digits of the Copeland-Erdos constant

Created by: ChrisR

3

13

#### Problem 2628. Find Excess 3 code of given decimal number.

Created by: Pritesh Shah

Tags numbers

2

39

Created by: HH

2

13

#### Problem 54265. n-th digit of write-down all numbers

Created by: CXD

Tags series, numbers

1

7

#### Problem 2629. Check transmitted data follow even parity (True or false)

Created by: Pritesh Shah

Tags numbers

1

49

#### Problem 51720. Hoax Numbers

Created by: Dyuman Joshi

Tags primes, numbers

3

13

#### Problem 2559. Check that number is whole number

Created by: Pritesh Shah

17

2283

#### Problem 46090. Last Digit of fibonacci number

Created by: Asif Newaz

3

22

#### Problem 45302. Ugly numbers - 03

Created by: Asif Newaz

Tags easy, numbers, ugly

0

20

#### Problem 2522. Convert given decimal number to binary number.

Created by: Pritesh Shah

Tags numbers

15

1272

Created by: HH

Tags numbers

2

24

#### Problem 45486. Check Digit - 01

Created by: Asif Newaz

Tags easy, numbers

1

19

#### Problem 45296. Ugly numbers - 01

Created by: Asif Newaz

Tags easy, numbers, ugly

0

18

#### Problem 45342. Sieve of Eratosthenes

Created by: Asif Newaz

2

14

#### Problem 46003. Compute Khinchin's constant

Created by: ChrisR

2

11

#### Problem 2600. Find out the Gray Code for a Given Binary Number

Created by: Pritesh Shah

Tags numbers

4

81

#### Problem 45326. Decimal Fraction to binary conversion

Created by: Asif Newaz

0

8

#### Problem 45377. Maya - 03

Created by: Asif Newaz

Tags numbers, sum, maya

2

7

#### Problem 42935. Sums of cubes and squares of sums

Created by: John D'Errico

7

167

#### Problem 42327. Convert Decimal Number to Hex number (including non integer value)

Created by: Pritesh Shah

1

25

Created by: HH

3

16

Created by: HH

Tags numbers

2

21

#### Problem 45344. lucky

Created by: Asif Newaz

2

12

#### Problem 45297. Ugly numbers - 02

Created by: Asif Newaz

Tags numbers, ugly

1

17

Created by: HH

2

31

#### Problem 45375. Maya - 01

Created by: Asif Newaz

1

8

#### Problem 45436. Successive zeros

Created by: Asif Newaz

Tags numbers

2

15

#### Problem 42758. Convert float to base N

Created by: Alberto Comin

Tags numbers

1

15

Created by: HH

2

16

#### Problem 45352. Number generator

Created by: Asif Newaz

Tags logic, numbers

1

10

#### Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

2

18

#### Problem 54260. Concatenate input positive integers to obtain a maximum.

Created by: CXD

Tags series, numbers

0

4

Created by: CXD

0

2

Created by: CXD

1

5

Created by: CXD

Tags numbers

1

2

Created by: CXD

0

4

Created by: CXD

1

2

#### Problem 53064. Amazing circle of numbers 1 to n

Created by: Archin

Tags numbers, fun

1

4

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