双号

雙號
shuānghào
even number (on a ticket, house etc)

CEDICT

even number (used for identification)

Wiktionary

偶数号码

維基詞典

Entry Composition

=1 双 shuāng variant of 双 shuāng
=1 双 shuāng
  1. two
  2. double
  3. pair
  4. both
  5. even (number)
2 号 hào
  1. ordinal number
  2. day of a month
  3. mark
  4. sign
  5. business establishment
  6. size
  7. ship suffix
  8. horn (wind instrument)
  9. bugle call
  10. assumed name
  11. to take a pulse
  12. classifier used to indicate number of people

Related entries

偶数 ǒushù even number
偶数乘以奇数是偶数，奇数乘以奇数是奇数。

Even times odd is even, odd times odd is odd.

Source: Tatoeba

双数 shuāngshù even number