Cody

# Problems

1 – 39 of 39
 Problem Title Likes Solvers Difficulty

#### Problem 52609. Easy Sequences 11: Factorial Digits without Trailing Zeros

Created by: Ramon Villamangca

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6

#### Problem 52614. Easy Sequences 12: 50th Prime

Created by: Ramon Villamangca

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3

#### Problem 52724. Easy Sequences 20: Counting Prime-sided Rectangles

Created by: Ramon Villamangca

Tags easy, geometry, area

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3

#### Problem 52764. Easy Sequences 24: Number of Coprime Lattice Points

Created by: Ramon Villamangca

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3

#### Problem 52784. Easy Sequences 38: Prime Number Delta

Created by: Ramon Villamangca

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3

#### Problem 52804. Easy Sequences 29: Odd proper divisors of odd proper divisors

Created by: Ramon Villamangca

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#### Problem 52911. Easy Sequences 41: Boxes with Integer Edges

Created by: Ramon Villamangca

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#### Problem 52936. Easy Sequences 39: Perfect Squares in Pascal's Triangle

Created by: Ramon Villamangca

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4

#### Problem 52978. Easy Sequences 44: Finding the Smallest Number whose Cube is divisible by a Factorial

Created by: Ramon Villamangca

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#### Problem 53119. Easy Sequences 53: Greatest Proper Divisor

Created by: Ramon Villamangca

3

3

#### Problem 53735. Easy Sequences 58: Curious Prime-Rational Functions

Created by: Ramon Villamangca

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3

#### Problem 52562. Easy Sequences 6: Coefficient sums of derivatives

Created by: Ramon Villamangca

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5

#### Problem 52532. Easy Sequences 5: Project Euler Problem 1 - Again!

Created by: Ramon Villamangca

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5

#### Problem 52574. Easy Sequences 8: Triangles with integer sides and prime perimeters

Created by: Ramon Villamangca

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6

#### Problem 52729. Easy Sequences 21: Combinatorial Summations

Created by: Ramon Villamangca

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#### Problem 52769. Easy Sequences 22: Sum of Proper Fractions

Created by: Ramon Villamangca

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#### Problem 52973. Easy Sequences 45: Second Derivative of Inverse Polynomial Function

Created by: Ramon Villamangca

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#### Problem 53029. Easy Sequences 49: Prime Little Omega Function

Created by: Ramon Villamangca

Tags easy, primes, simple

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#### Problem 53079. Easy Sequences 50: Blocked Gaussian Integers

Created by: Ramon Villamangca

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#### Problem 52709. Easy Sequences 19: Length of Prime-sided Rectangle with Maximum Area

Created by: Ramon Villamangca

Tags easy, geometry, area

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#### Problem 52861. Easy Sequences 37: Natural Factorable Polynomials

Created by: Ramon Villamangca

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#### Problem 52968. Easy Sequences 43: Least Common Fibonacci Number

Created by: Ramon Villamangca

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#### Problem 53094. Easy Sequences 51: Positive Gaussian Primes

Created by: Ramon Villamangca

Tags easy, primes, simple

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3

#### Problem 52866. Easy Sequences 36: Hyperbolic Lattice Points

Created by: Ramon Villamangca

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4

#### Problem 42787. How many ways to write

Created by: Pritom Kumar Mondal

Tags math, easy, counting

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8

#### Problem 52567. Easy Sequences 7: Easy as Composite Pi

Created by: Ramon Villamangca

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2

#### Problem 52659. Easy Sequences 15: Pythagorean Area with maximum Hypotenuse

Created by: Ramon Villamangca

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4

#### Problem 52684. Easy Sequences 17: Mu Variant Function

Created by: Ramon Villamangca

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2

#### Problem 52834. Easy Sequences 32: Almost Pythagorean Triples

Created by: Ramon Villamangca

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3

#### Problem 52844. Easy Sequences 42: Areas of Non-constructible Polygons

Created by: Ramon Villamangca

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1

#### Problem 52859. Easy Sequences 35: Cutting a donut to Semi-prime pieces

Created by: Ramon Villamangca

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#### Problem 52985. Easy Sequences 47: Boxes with Prime Edges

Created by: Ramon Villamangca

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4

#### Problem 52990. Easy Sequences 46: Semi-prime Leap Year Pairs

Created by: Ramon Villamangca

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1

#### Problem 53009. Easy Sequences 48: Prime Big Omega of Factorial Sequence

Created by: Ramon Villamangca

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#### Problem 53125. Easy Sequences 54: Product of Products of Proper Divisors

Created by: Ramon Villamangca

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#### Problem 53730. Easy Sequences 57: "Pretty-gorean" Triangles?

Created by: Ramon Villamangca

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1

#### Problem 53740. Easy Sequences 59: Almost Twin Primes

Created by: Ramon Villamangca

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#### Problem 53745. Easy Sequences 60: Almost Cube Root

Created by: Ramon Villamangca

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#### Problem 53750. Easy Sequences 63: Base-63 Arithmetic Functions

Created by: Ramon Villamangca

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1

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