# High numbers becoming negative

**URL:** <https://discourse.julialang.org/t/high-numbers-becoming-negative/82150>\
**Category:** General Usage\
**Created:** [June 2, 2022, 8:26pm UTC](https://discourse.julialang.org/t/high-numbers-becoming-negative/82150 "2022-06-02T20:26:38Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Gabrielforest](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gabrielforest/32/27538_2.png) [@Gabrielforest](https://discourse.julialang.org/u/Gabrielforest)\
**Post date:** [June 2, 2022, 8:26pm UTC](https://discourse.julialang.org/t/high-numbers-becoming-negative/82150/1 "2022-06-02T20:26:38Z")

</div>

Why `20^18` has a negative result?

---

<div class="post-metadata">

**Author:** ![Mason](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mason/32/2423_2.png) [@Mason](https://discourse.julialang.org/u/Mason)\
**Post date:** [June 2, 2022, 8:27pm UTC](https://discourse.julialang.org/t/high-numbers-becoming-negative/82150/2 "2022-06-02T20:27:29Z")

</div>

[https://docs.julialang.org/en/v1/manual/faq/#faq-integer-arithmetic-1](https://docs.julialang.org/en/v1/manual/faq/#faq-integer-arithmetic-1)