Cody

# Problems

1 – 45 of 45
 Problem Title Likes Solvers

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

1640

#### Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

9

610

Created by: goc3

5

515

#### Problem 81. Mandelbrot Numbers

Created by: Cody Team

4

443

#### Problem 156. Parasitic numbers

Created by: the cyclist

Tags parasitic

3

218

#### Problem 2061. Narcissistic number ?

Created by: Jean-Marie Sainthillier

2

209

#### Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

2

208

#### Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

0

203

#### Problem 2690. Armstrong Number

Created by: VIVEK RUHELA

3

197

1

189

#### Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags factors, sum

3

186

#### Problem 2733. Evil Number

Created by: Jan Orwat

2

179

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

Created by: Doug Hull

3

170

#### Problem 525. Mersenne Primes

Created by: Drew Weymouth

1

165

#### Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

0

157

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

Created by: Doug Hull

0

135

Created by: Ted

2

127

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

Created by: Binbin Qi

0

121

#### Problem 165. Woodall number

Created by: the cyclist

1

119

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

Created by: Jan Orwat

2

113

#### Problem 1826. Find vampire numbers

Created by: Andrew Newell

6

110

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

Created by: Jan Orwat

5

102

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

Created by: Binbin Qi

Tags mod floor

0

101

Created by: Tim

0

99

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

Created by: James

2

92

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

Created by: James

3

90

#### Problem 1742. Generate a Parasitic Number

Created by: James

2

62

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

Created by: @bmtran (Bryant Tran)

0

50

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

Created by: Andrew Newell

3

46

#### Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, mod, find

0

40

Created by: G K

Tags math

0

34

#### Problem 44836. Iccanobif numbers 1

Created by: James

0

33

#### Problem 1825. Find all vampire fangs

Created by: Andrew Newell

1

31

#### Problem 44748. Amicable numbers

Created by: cdeliu

1

20

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

Created by: Asif Newaz

1

19

#### Problem 45253. Pell numbers

Created by: Asif Newaz

1

17

#### Problem 45191. generate nth pentatope number

Created by: Asif Newaz

0

14

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

Created by: Asif Newaz

Tags pentatope

0

12

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

Created by: Asif Newaz

0

12

#### Problem 45229. Bell Triangle

Created by: Asif Newaz

Tags number, bell, matrix

0

10

#### Problem 45194. Cantor counting

Created by: Asif Newaz

0

9

#### Problem 45249. Frugal number

Created by: Asif Newaz

1

9

#### Problem 45250. Be happy

Created by: Asif Newaz

Tags number, happy

1

8

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

Created by: Asif Newaz

0

7

#### Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

1

6

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