15,628
22 × 3907
Deficient
Even
Composite
Starting at 15,628, the Collatz iteration reaches 1 after 40 steps. The first transition is 7814; the starting value is even with 6 positive divisors.
Prime Factor Structure
Factorization String
2^2 × 3907
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
6
Divisor Sum (σ)
27,356
Proper Divisor Sum
11,728
Digit Sum / Digital Root
22 (Root: 4)
Adjacent Primes
#15619 ← → #15629
Radix Representation
| Decimal | 15628 |
| Binary | 11110100001100 (14 bits) |
| Octal | 0o36414 |
| Hexadecimal | 0x3D0C |
Divisor Catalog (6)
Collatz Trajectory (40 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):