diff --git a/crates/toml_edit/src/repr.rs b/crates/toml_edit/src/repr.rs
index cae7cac32..7448e2ebc 100644
--- a/crates/toml_edit/src/repr.rs
+++ b/crates/toml_edit/src/repr.rs
@@ -90,6 +90,64 @@ where
     }
 }
 
+impl Formatted<i64> {
+    /// Creates a new hexadecimal (uppercase) formatted integer value.
+    /// Returns `None` if the `value` is negative.
+    pub fn new_hex_upper(value: i64) -> Option<Self> {
+        if value >= 0 {
+            Some(Self {
+                value,
+                repr: Some(Repr::new_unchecked(format!("{:#X}", value))),
+                decor: Default::default(),
+            })
+        } else {
+            None
+        }
+    }
+
+    /// Creates a new hexadecimal (lowercase) formatted integer value.
+    /// Returns `None` if the `value` is negative.
+    pub fn new_hex_lower(value: i64) -> Option<Self> {
+        if value >= 0 {
+            Some(Self {
+                value,
+                repr: Some(Repr::new_unchecked(format!("{:#x}", value))),
+                decor: Default::default(),
+            })
+        } else {
+            None
+        }
+    }
+
+    /// Creates a new octal formatted integer value.
+    /// Returns `None` if the `value` is negative.
+    pub fn new_oct(value: i64) -> Option<Self> {
+        if value >= 0 {
+            Some(Self {
+                value,
+                repr: Some(Repr::new_unchecked(format!("{:#o}", value))),
+                decor: Default::default(),
+            })
+        } else {
+            None
+        }
+    }
+
+    /// Creates a new binary formatted integer value.
+    /// Returns `None` if the `value` is negative.
+    pub fn new_bin(value: i64) -> Option<Self> {
+        if value >= 0 {
+            Some(Self {
+                value,
+                repr: Some(Repr::new_unchecked(format!("{:#b}", value))),
+                decor: Default::default(),
+            })
+        } else {
+            None
+        }
+    }
+}
+
 impl<T> std::fmt::Debug for Formatted<T>
 where
     T: std::fmt::Debug,
diff --git a/crates/toml_edit/tests/testsuite/edit.rs b/crates/toml_edit/tests/testsuite/edit.rs
index 84c53d05c..81f7d30a1 100644
--- a/crates/toml_edit/tests/testsuite/edit.rs
+++ b/crates/toml_edit/tests/testsuite/edit.rs
@@ -3,7 +3,7 @@ use std::iter::FromIterator;
 use snapbox::assert_data_eq;
 use snapbox::prelude::*;
 use snapbox::str;
-use toml_edit::{array, table, value, DocumentMut, Item, Key, Table, Value};
+use toml_edit::{array, table, value, DocumentMut, Formatted, Item, Key, Table, Value};
 
 macro_rules! parse_key {
     ($s:expr) => {{
@@ -1026,3 +1026,32 @@ name = "test.swf"
 "#]]
     );
 }
+
+#[test]
+fn integer_bases() {
+    given(r#"[table]"#)
+        .running(|root| {
+            let table = root.get_mut("table").unwrap().as_table_mut().unwrap();
+
+            table["hex_upper"] = Value::Integer(Formatted::new_hex_upper(42).unwrap()).into();
+            table["hex_lower"] = Value::Integer(Formatted::new_hex_lower(42).unwrap()).into();
+            table["octal"] = Value::Integer(Formatted::new_oct(42).unwrap()).into();
+            table["binary"] = Value::Integer(Formatted::new_bin(42).unwrap()).into();
+        })
+        .produces_display(str![[r#"
+[table]
+hex_upper = 0x2A
+hex_lower = 0x2a
+octal = 0o52
+binary = 0b101010
+
+"#]]);
+}
+
+#[test]
+fn integer_bases_reject_negative() {
+    assert_eq!(Formatted::new_hex_upper(-42), None);
+    assert_eq!(Formatted::new_hex_lower(-42), None);
+    assert_eq!(Formatted::new_oct(-42), None);
+    assert_eq!(Formatted::new_bin(-42), None);
+}