Properties of the number 426:
426 = 2 × 3 × 71 is a sphenic number and squarefree.426 has 3 distinct prime factors, 8 divisors, 5 antidivisors and 140 totatives.
426 has an oblong digit sum 12 in base 10.
426 is the difference of 2 positive pentagonal numbers in 2 ways.
426 = 42 + 112 + 172 is the sum of 3 positive squares.
4262 is the sum of 3 positive squares.
426 is a divisor of 2832 - 1.
426 = '4' + '26' is the concatenation of 2 semiprime numbers.
426 = '42' + '6' is the concatenation of 2 oblong numbers.
426 is palindromic in (at least) the following bases: 17, 70, -4, -25, and -85.
426 in base 4 = 12222 and consists of only the digits '1' and '2'.
426 in base 14 = 226 and consists of only the digits '2' and '6'.
426 in base 16 = 1aa and consists of only the digits '1' and 'a'.
426 in base 17 = 181 and consists of only the digits '1' and '8'.
426 in base 20 = 116 and consists of only the digits '1' and '6'.