616
616 is the ISO 3166-1 numeric country code for Poland.
- Even
- Composite
Where 616 fits
Why 616 is special
Poland's borders and name have both changed within the period the code register covers, and the numeric code has remained stable throughout.
616 is part of
Factors & digit properties
- Divisors (16)
- 1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616
- Prime factorisation
- 2^3 × 7 × 11
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 616
- Binary
- 1001101000
- Octal
- 1150
- Hexadecimal
- 268
- Roman numeral
- DCXVI
- Scientific notation
- 6.160 × 10^2
Other mathematical patterns
- Palindromic number
- Abundant number
Related numbers & connections
The oldest surviving fragment of Revelation gives 616, and both readings are attested in antiquity.
View 666 →Geography
616 is Poland's ISO numeric code. Its stability across border changes illustrates that the register identifies a state's continuity rather than its territory.
DocumentedGeographyGeography: Poland
Common questions
Is 616 a prime number?
No, 616 is not prime.
What are the factors of 616?
The factors of 616 are 1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616.
What is 616 in Roman numerals?
616 in Roman numerals is DCXVI.
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