634
2 × 317
Deficient
Even
Composite
634 factors as 2 × 317. Its 4 positive divisors give a proper-divisor sum of 320, so this integer is deficient. The Collatz stopping time is 38 steps.
Prime Factor Structure
Factorization String
2 × 317
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
954
Proper Divisor Sum
320
Digit Sum / Digital Root
13 (Root: 4)
Adjacent Primes
#631 ← → #641
Radix Representation
| Decimal | 634 |
| Binary | 1001111010 (10 bits) |
| Octal | 0o1172 |
| Hexadecimal | 0x27A |
Divisor Catalog (4)
Collatz Trajectory (38 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):