Created
September 22, 2018 10:06
-
-
Save isnifer/37a3776f0a2308513427a84a32c5dd7b to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* eslint-disable */ | |
import range from 'lodash/range' | |
// const r = range(1, 101) | |
const r = range(1, 10001) | |
const fromTo = to => range(2, to) | |
const simpleNumbers = r.reduce((memo, number) => { | |
if (!fromTo(number).some(n => number % n === 0)) { | |
return { ...memo, [number]: true } | |
} | |
return memo | |
}, {}) | |
const getSimpleNumber = n => ({ computedValue: 2 ** n - 1, n }) | |
const calculatedNumbers = r.map(getSimpleNumber) | |
const simpleNumbersReadyToBeauty = calculatedNumbers.filter( | |
({ computedValue }) => simpleNumbers[computedValue] | |
) | |
const beautyNumbers = simpleNumbersReadyToBeauty.map(({ computedValue, n }) => { | |
return (2 ** (n - 1)) * computedValue | |
}) | |
console.log({ | |
// simpleNumbers, | |
// calculatedNumbers, | |
// simpleNumbersReadyToBeauty, | |
beautyNumbers, | |
}) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment