By the 017777 editorial team · Last reviewed 2026-10-22 · How we research
The maths of 888
888 = 2³ × 3 × 37 = 24 × 37. In Chinese culture it reads as triple prosperity and appears in shop names, prices and phone numbers.
| Property | Value |
|---|---|
| Value | 888 |
| Prime? | No |
| Prime factors | 2 × 2 × 2 × 3 × 37 |
| Digit sum | 24 (divides the number: Harshad) |
| Digital root | 6 |
| Binary | 1101111000 |
| Hexadecimal | 0x378 |
| Roman numerals | DCCCLXXXVIII |
| Square root | 29.7993 |
888 across cultures
- 8 (eight): In Chinese, eight (bā) sounds like 'prosper' (fā). The Beijing Olympics opened at 8 pm on 8/8/2008, and phone numbers and plates full of 8s sell at large premiums.
888 in business and commerce
- The single most valuable digit for Chinese-speaking buyers of prices, plates, phone numbers and numeric domains.
888 as an “angel number” Belief tradition
Angel-number writers read 888 as a message about ambition, abundance and achievement. Repeated digits are said to amplify the meaning of the base digit. Common moments people report seeing it: 8:08 and 18:18.
Questions
What does 888 mean?
Mathematically, 888 = 2 × 2 × 2 × 3 × 37. In angel-number and numerology traditions, 888 is read around ambition, abundance and achievement. Those readings are cultural beliefs, not predictions.
Is 888 a lucky number?
It depends on culture. In Chinese, eight (bā) sounds like 'prosper' (fā). The Beijing Olympics opened at 8 pm on 8/8/2008, and phone numbers and plates full of 8s sell at large premiums.
Why do I keep seeing 888?
Psychologists point to the frequency illusion (Baader–Meinhof phenomenon): once a pattern is on your mind, you notice it more, and each match feels significant. Clocks, receipts and plates show repeating digits more often than people expect.