Cody

# Problems

1 – 45 of 45
 Problem Title Likes Solvers

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

1677

#### Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

9

632

Created by: goc3

5

524

#### Problem 81. Mandelbrot Numbers

Created by: Cody Team

4

477

#### Problem 156. Parasitic numbers

Created by: the cyclist

Tags parasitic

3

221

#### Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

0

214

#### Problem 2061. Narcissistic number ?

Created by: Jean-Marie Sainthillier

2

214

#### Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

2

209

#### Problem 2690. Armstrong Number

Created by: VIVEK RUHELA

3

201

#### Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags factors, sum

4

194

1

191

#### Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

3

186

#### Problem 2733. Evil Number

Created by: Jan Orwat

2

182

#### Problem 525. Mersenne Primes

Created by: Drew Weymouth

1

174

#### Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

0

167

#### Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

0

151

Created by: Ted

2

128

#### Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

0

125

#### Problem 165. Woodall number

Created by: the cyclist

1

122

#### Problem 1826. Find vampire numbers

Created by: Andrew Newell

6

115

#### Problem 2593. Polite numbers. N-th polite number.

Created by: Jan Orwat

2

114

#### Problem 2595. Polite numbers. Politeness.

Created by: Jan Orwat

5

103

#### Problem 1008. Determine if input is a Narcissistic number

Created by: Binbin Qi

Tags mod floor

0

102

Created by: Tim

1

102

#### Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

3

96

#### Problem 1190. Golomb's self-describing sequence (based on Euler 341)

Created by: James

2

92

#### Problem 1742. Generate a Parasitic Number

Created by: James

2

64

#### Problem 1082. Lychrel Number Test (Inspired by Project Euler Problem 55)

Created by: @bmtran (Bryant Tran)

0

51

#### Problem 1804. Fangs of a vampire number

Created by: Andrew Newell

3

50

#### Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, mod, find

0

41

#### Problem 1825. Find all vampire fangs

Created by: Andrew Newell

1

35

Created by: G K

Tags math

0

35

#### Problem 44836. Iccanobif numbers 1

Created by: James

1

34

#### Problem 44748. Amicable numbers

Created by: cdeliu

1

22

#### Problem 45223. find nth even fibonacci number

Created by: Asif Newaz

1

22

#### Problem 45253. Pell numbers

Created by: Asif Newaz

1

19

#### Problem 45191. generate nth pentatope number

Created by: Asif Newaz

0

16

#### Problem 45192. check whether a number is a pentatope number

Created by: Asif Newaz

Tags pentatope

0

14

#### Problem 45249. Frugal number

Created by: Asif Newaz

1

13

#### Problem 45251. Last non-zero digit

Created by: Asif Newaz

0

13

#### Problem 45229. Bell Triangle

Created by: Asif Newaz

Tags number, bell, matrix

0

12

#### Problem 45194. Cantor counting

Created by: Asif Newaz

0

11

#### Problem 45250. Be happy

Created by: Asif Newaz

Tags number, happy

1

10

#### Problem 45274. Fangs of pseudo-vampire number

Created by: Asif Newaz

0

9

#### Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

1

8

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