624,109
29 × 21521
Deficient
Odd
Composite
624,109 has digital root 4. The neighboring primes are 624097 and 624119; its proper-divisor sum differs from the starting integer by -602,558.
Prime Factor Structure
Factorization String
29 × 21521
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
645,660
Proper Divisor Sum
21,551
Digit Sum / Digital Root
22 (Root: 4)
Adjacent Primes
#624097 ← → #624119
Radix Representation
| Decimal | 624109 |
| Binary | 10011000010111101101 (20 bits) |
| Octal | 0o2302755 |
| Hexadecimal | 0x985ED |
Divisor Catalog (4)
Collatz Trajectory (278 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):