8203
8203 is the zero width space.
- Odd
- Composite
Where 8203 fits
Why 8203 is special
It is invisible, it is a legitimate character, and it is routinely used to defeat text filters and to smuggle marks into copied text.
Factors & digit properties
- Divisors (4)
- 1, 13, 631, 8203
- Prime factorisation
- 13 × 631
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 8203
- Binary
- 10000000001011
- Octal
- 20013
- Hexadecimal
- 200b
- Scientific notation
- 8.203 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
- Harshad (Niven) number
Related numbers & connections
Both are invisible characters that are nonetheless present in the text, which is what makes them useful and abusable.
View 8206 →One is a space the width of a whole character and the other a space with no width at all.
View 12288 →Technology & computing
U+200B ZERO WIDTH SPACE permits a line break without visible spacing. Because it is invisible but present, it is used both for typesetting and to evade string matching.
DocumentedTechnology & computingGeography: International — Unicode ConsortiumPeriod: 1991–
Common questions
Is 8203 a prime number?
No, 8203 is not prime.
What are the factors of 8203?
The factors of 8203 are 1, 13, 631, 8203.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026