- Adam Number
- Armstrong Number
- Buzz Number
- Composite Number
- Digit Frequency
- Even Digit Frequency
- Evon Number
- Maximum Digit in Number
- Minimum Digit in Number
- Neon Number
- Niven Number
- Odd Digit Frequency
- Palindrome Number
- Perfect Number
- Prime Number
- Pronic Number
- Spy Number
- Sum of Digits
- Xylem Phloem Number
- Count Even Digits
- Count Odd Digits
- Difference Between Sum Of Even and Odd Digits
- Digit Count
- Reverse Number
- Sum Of Even Digits
- Sum Of Odd Digits