420024

Appears in sequences

• Numbers that are palindromic in bases 10 and 14.at n=19A029969
• Palindromes with exactly 7 prime factors (counted with multiplicity).at n=27A046333
• Base 10 weak Skolem-Langford numbers.at n=5A108116
• Base-10 super-weak Skolem-Langford numbers.at n=8A339803