#Belphegor's #Prime is the #Palindromic prime number 1000000000000066600000000000001, named after the demon Belphegor, due to its superstitious significance containing "666" (the Number of the Beast) and being surrounded by thirteen zeroes on either side.
One day, one decomposition
A242414: Numbers whose prime factorization viewed as a tuple of nonzero powers is palindromic
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One day, one decomposition
A214423: Numbers n palindromic in only one base b, 2 <= b <= 10
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One day, one decomposition
A154809: Numbers whose binary expansion is not palindromic
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2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A154809.html
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One day, one decomposition
A054217: Primes p with property that p concatenated with its emirp p' (prime reversal) forms a palindromic prime of the form 'primemirp' (rightmost digit of p and leftmost digit of p' are blended together - p and p' palindromic allowed)
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2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A054217.html
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One day, one decomposition
A050813: Numbers n not palindromic in any base b, 2 <= b <= 10
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2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A050813.html
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One day, one decomposition
A047811: Numbers n >= 4 that are not palindromic in any base b, 2 <= b <= n/2
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A047811.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A047811.html
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One day, one decomposition
A029955: Palindromic in base 9
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A029955.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A029955.html
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One day, one decomposition
A029954: Palindromic in base 7
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A029954.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A029954.html
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One day, one decomposition
A029953: Palindromic in base 6
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A029953.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A029953.html
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