Problem 50412. Number Puzzle - 075

Created by Doddy Kastanya

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Find all four-digit prime numbers whose digits are monotonically increasing from left-to-right.

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Last Solution submitted on Feb 01, 2025

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Nikolaos Nikolaou on 17 Feb 2021

monotonically increasing means < not <= Doddy

goc3 on 16 Apr 2022

According to the New Oxford American Dictionary, monotonic means "varying in such a way that it either never decreases or never increases." If something monotonically increases (i.e., never decreases), >= is appropriate. In like fashion, if something monotonically decreases (i.e., never increases), <= is also appropriate.

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Problem 50412. Number Puzzle - 075

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Last 200 Solutions

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Problem 50412. Number Puzzle - 075

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Last 200 Solutions

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Problem Recent Solvers26

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