About: Reverse divisible number

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In number theory, reversing the digits of a number n sometimes produces another number m that is divisible by n.This happens trivially when n is a palindromic number; the nontrivial reverse divisors are 1089, 2178, 10989, 21978, 109989, 219978, 1099989, 2199978, ... (sequence in the OEIS). For instance, 1089 × 9 = 9801, the reversal of 1089, and 2178 × 4 = 8712, the reversal of 2178.The multiples produced by reversing these numbers, such as 9801 or 8712, are sometimes called palintiples.

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  • In number theory, reversing the digits of a number n sometimes produces another number m that is divisible by n.This happens trivially when n is a palindromic number; the nontrivial reverse divisors are 1089, 2178, 10989, 21978, 109989, 219978, 1099989, 2199978, ... (sequence in the OEIS). For instance, 1089 × 9 = 9801, the reversal of 1089, and 2178 × 4 = 8712, the reversal of 2178.The multiples produced by reversing these numbers, such as 9801 or 8712, are sometimes called palintiples. (en)
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  • In number theory, reversing the digits of a number n sometimes produces another number m that is divisible by n.This happens trivially when n is a palindromic number; the nontrivial reverse divisors are 1089, 2178, 10989, 21978, 109989, 219978, 1099989, 2199978, ... (sequence in the OEIS). For instance, 1089 × 9 = 9801, the reversal of 1089, and 2178 × 4 = 8712, the reversal of 2178.The multiples produced by reversing these numbers, such as 9801 or 8712, are sometimes called palintiples. (en)
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  • Reverse divisible number (en)
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