Cody

# Problems

1 – 45 of 45
 Problem Title Likes Solvers

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

2203

#### Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

9

930

Created by: goc3

6

736

#### Problem 81. Mandelbrot Numbers

Created by: Cody Team

5

637

#### Problem 156. Parasitic numbers

Created by: the cyclist

Tags parasitic

3

270

#### Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

2

269

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

Created by: Doug Hull

3

261

#### Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

1

259

#### Problem 2690. Armstrong Number

Created by: VIVEK RUHELA

5

255

#### Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

4

255

#### Problem 2061. Narcissistic number ?

Created by: Jean-Marie Sainthillier

2

248

#### Problem 525. Mersenne Primes

Created by: Drew Weymouth

2

234

1

232

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

Created by: Doug Hull

0

229

#### Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

0

220

#### Problem 2733. Evil Number

Created by: Jan Orwat

2

214

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

Created by: Binbin Qi

0

152

#### Problem 1826. Find vampire numbers

Created by: Andrew Newell

9

152

Created by: Ted

2

147

#### Problem 165. Woodall number

Created by: the cyclist

1

144

Created by: Tim

1

139

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

Created by: Jan Orwat

5

135

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

Created by: Jan Orwat

2

134

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

Created by: James

4

129

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

Created by: James

2

125

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

Created by: Binbin Qi

Tags mod floor

0

115

#### Problem 1742. Generate a Parasitic Number

Created by: James

2

96

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

Created by: @bmtran (Bryant Tran)

0

72

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

Created by: Andrew Newell

3

50

#### Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

0

50

#### Problem 1825. Find all vampire fangs

Created by: Andrew Newell

1

43

Created by: G K

Tags math

0

43

#### Problem 44836. Iccanobif numbers 1

Created by: James

1

37

#### Problem 44748. Amicable numbers

Created by: cdeliu

1

34

#### Problem 45253. Pell numbers

Created by: Asif Newaz

1

29

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

Created by: Asif Newaz

1

23

#### Problem 45191. generate nth pentatope number

Created by: Asif Newaz

0

21

#### Problem 45249. Frugal number

Created by: Asif Newaz

1

20

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

Created by: Asif Newaz

Tags pentatope

0

18

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

Created by: Asif Newaz

0

18

#### Problem 45229. Bell Triangle

Created by: Asif Newaz

0

14

#### Problem 45194. Cantor counting

Created by: Asif Newaz

0

11

#### Problem 45272. Pseudo-vampire number

Created by: Asif Newaz

1

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

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