diff --git a/plugins/ets/stdlib/std/core/Byte.ets b/plugins/ets/stdlib/std/core/Byte.ets
index d8650ce89d9c11a69fb533fc79385f1a5e563b1f..508e4f7c51e1270b74ecbe0432a21d93fea780e2 100644
--- a/plugins/ets/stdlib/std/core/Byte.ets
+++ b/plugins/ets/stdlib/std/core/Byte.ets
@@ -189,6 +189,15 @@ export final class Byte extends Integral implements Comparable<Byte>, JSONable<B
         return new String(data);
     }
 
+    /**
+     * Converts this object to a string
+     *
+     * @returns result of the conversion
+     */
+    public toString(radix: number): string {
+        return (new Long(this.value)).toString(radix);
+    }
+
     /**
      * Returns a hash code (integer representation) for this instance
      *
diff --git a/plugins/ets/stdlib/std/core/Int.ets b/plugins/ets/stdlib/std/core/Int.ets
index 63a15954efcc0f46b054b68864c6f47a3e9fbf2b..72b01d6fca0c75904944829c87e06ffdeabeb8b0 100644
--- a/plugins/ets/stdlib/std/core/Int.ets
+++ b/plugins/ets/stdlib/std/core/Int.ets
@@ -188,6 +188,15 @@ export final class Int extends Integral implements Comparable<Int>, JSONable<Int
         return new String(data);
     }
 
+    /**
+     * Converts this object to a string
+     *
+     * @returns result of the conversion
+     */
+    public toString(radix: number): string {
+        return (new Long(this.value)).toString(radix);
+    }
+
     /**
      * Returns a hash code (integer representation) for this instance
      *
diff --git a/plugins/ets/stdlib/std/core/Long.ets b/plugins/ets/stdlib/std/core/Long.ets
index 03ea6008c912c6f7392f431c8d16facf9ec2179e..41b5eddcbd7c38685432b48f214973b65c13a598 100644
--- a/plugins/ets/stdlib/std/core/Long.ets
+++ b/plugins/ets/stdlib/std/core/Long.ets
@@ -188,6 +188,42 @@ export final class Long extends Integral implements Comparable<Long>, JSONable<I
         return new String(data);
     }
 
+    /**
+     * Converts this object to a string
+     *
+     * @returns result of the conversion
+     */
+    public toString(radix: number): string {
+        if ((radix as int) < 2 || (radix as int) > 36) {
+            throw new RangeError('Radix must be between 2 and 36');
+        }
+        if (this.value == 0) {
+            return "0";
+        }
+        const chars = '0123456789abcdefghijklmnopqrstuvwxyz';
+        let val = this.value;
+        let negative: boolean = (val < 0);
+        let digitsNum = (log(abs(val)) / log(radix as int) + 1) as int;
+        if (negative) {
+            ++digitsNum;
+        }
+        let data = new char[digitsNum];
+        let curPlace = digitsNum - 1;
+        while (val != 0) {
+            let remainder = val % (radix as int);
+            if (negative) {
+                remainder = -remainder;
+            }
+            data[curPlace] = chars.charAt(remainder as int); 
+            val /= (radix as int);
+            curPlace -= 1;
+        }
+        if (negative) {
+            data[0] = c'-';
+        }
+        return new String(data);
+    }
+
     /**
      * Returns a hash code (integer representation) for this instance
      *
diff --git a/plugins/ets/stdlib/std/core/Short.ets b/plugins/ets/stdlib/std/core/Short.ets
index 45f097a91509ac0dc4781245fb1ad4f6be41e44a..f87d8bc58cc816f9d221b86d72adcbb1fbc52d05 100644
--- a/plugins/ets/stdlib/std/core/Short.ets
+++ b/plugins/ets/stdlib/std/core/Short.ets
@@ -188,6 +188,15 @@ export final class Short extends Integral implements Comparable<Short>, JSONable
         return new String(data);
     }
 
+    /**
+     * Converts this object to a string
+     *
+     * @returns result of the conversion
+     */
+    public toString(radix: number): string {
+        return (new Long(this.value)).toString(radix);
+    }
+
     /**
      * Returns a hash code (shorteger representation) for this instance
      *