From 3f9ec25ebd71a3c7d2734efb264380b7e15c3a2c Mon Sep 17 00:00:00 2001
From: VarunArora24 <varunarora242424@gmail.com>
Date: Sun, 19 Oct 2025 19:55:21 +0530
Subject: [PATCH 1/4] Add Python function to check Disarium numbers

---
 maths/disarium.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 maths/disarium.py

diff --git a/maths/disarium.py b/maths/disarium.py
new file mode 100644
index 000000000000..f3b0ffcc4c35
--- /dev/null
+++ b/maths/disarium.py
@@ -0,0 +1,21 @@
+def is_disarium(num: int) -> bool:
+    """
+    Check if a number is Disarium.
+
+    >>> is_disarium(89)
+    True
+    >>> is_disarium(75)
+    False
+    >>> is_disarium(135)
+    True
+    """
+    digits = list(str(num))
+    total = 0
+    for i in range(len(digits)):
+        total += int(digits[i]) ** (i + 1)
+    return total == num
+
+
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod(verbose=True)

From 6b2bb3aa4bc3711a0a6f26e559c3c4b122706794 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Sun, 19 Oct 2025 14:27:05 +0000
Subject: [PATCH 2/4] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 maths/disarium.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/maths/disarium.py b/maths/disarium.py
index f3b0ffcc4c35..ae39ef904205 100644
--- a/maths/disarium.py
+++ b/maths/disarium.py
@@ -18,4 +18,5 @@ def is_disarium(num: int) -> bool:
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod(verbose=True)

From 9d6142786e9bf301fcbed316992b5ea48abc5347 Mon Sep 17 00:00:00 2001
From: cclauss <cclauss@users.noreply.github.com>
Date: Mon, 14 Sep 2026 04:22:32 +0000
Subject: [PATCH 3/4] updating DIRECTORY.md

---
 DIRECTORY.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 1552482d70b2..751c47c41e7d 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -760,6 +760,7 @@
   * [Decimal To Fraction](maths/decimal_to_fraction.py)
   * [Derangement](maths/derangement.py)
   * [Digital Root](maths/digital_root.py)
+  * [Disarium](maths/disarium.py)
   * [Dodecahedron](maths/dodecahedron.py)
   * [Double Factorial](maths/double_factorial.py)
   * [Dual Number Automatic Differentiation](maths/dual_number_automatic_differentiation.py)

From 824d7ebec1a292e490bd3ba8afedb03a2975c513 Mon Sep 17 00:00:00 2001
From: Christian Clauss <cclauss@me.com>
Date: Mon, 14 Sep 2026 06:25:12 +0200
Subject: [PATCH 4/4] Add documentation link for Disarium number check

Added a link to Rosetta Code for Disarium numbers.
---
 maths/disarium.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/maths/disarium.py b/maths/disarium.py
index ae39ef904205..57040a341de5 100644
--- a/maths/disarium.py
+++ b/maths/disarium.py
@@ -2,6 +2,8 @@ def is_disarium(num: int) -> bool:
     """
     Check if a number is Disarium.
 
+    https://rosettacode.org/wiki/Disarium_numbers
+
     >>> is_disarium(89)
     True
     >>> is_disarium(75)