2131
2,131 is the number of consecutive baseball games Cal Ripken Jr played.
- Odd
- Prime
Where 2131 fits
Why 2131 is special
He broke a record that had stood for 56 years and was widely considered unbreakable, then extended it to 2,632 before voluntarily sitting out.
Same number, different meanings
How 2131 is understood across different contexts — never implying one meaning because of another.
- Mathematics
He broke a record that had stood for 56 years and was widely considered unbreakable, then extended it to 2,632 before voluntarily sitting out.
- Technology & computing
DHCP assigns addresses, gateways and DNS servers on request. Its success is measured by invisibility, and its failure looks identical to the network being down.
- Sport
Ripken passed Lou Gehrig's 2,130 consecutive games in 1995, a mark that had stood since 1939 and was assumed permanent. He then played another 501 games before choosing to stop.
2131 is part of
Factors & digit properties
- Divisors (2)
- 1, 2131
- Prime factorisation
- 2131
- Digit sum
- 7
- Digital root
- 7
Representations
- Decimal
- 2131
- Binary
- 100001010011
- Octal
- 4123
- Hexadecimal
- 853
- Roman numeral
- MMCXXXI
- Scientific notation
- 2.131 × 10^3
Other mathematical patterns
- Deficient number
- Twin prime
Related numbers & connections
DHCP is why a device joining a network needs no configuration, and why the lease it receives eventually expires.
IPv6 autoconfiguration builds an address from a router advertisement, removing the need for the DHCP server that IPv4 requires.
View 4862 →Numbers Around Us
- appears inNumbers that make the internet work
why?
Strength 0.50, confidence "high".
Technology & computing
DHCP assigns addresses, gateways and DNS servers on request. Its success is measured by invisibility, and its failure looks identical to the network being down.
DocumentedTechnology & computingPeriod: 1997
Sport
Ripken passed Lou Gehrig's 2,130 consecutive games in 1995, a mark that had stood since 1939 and was assumed permanent. He then played another 501 games before choosing to stop.
DocumentedSportGeography: United StatesPeriod: 1995
Common questions
Is 2131 a prime number?
Yes, 2131 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 2131?
The factors of 2131 are 1, 2131.
What is 2131 in Roman numerals?
2131 in Roman numerals is MMCXXXI.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 3 August 2026