2,028,328
23 × 71 × 3571
Deficient
Even
Composite
Starting at 2,028,328, the Collatz iteration reaches 1 after 60 steps. The first transition is 1014164; the starting value is even with 16 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^3 × 71 × 3571
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
3,857,760
Proper Divisor Sum
1,829,432
Digit Sum / Digital Root
25 (Root: 7)
Adjacent Primes
#2028319 ← → #2028329
Radix Representation
| Decimal | 2028328 |
| Binary | 111101111001100101000 (21 bits) |
| Octal | 0o7571450 |
| Hexadecimal | 0x1EF328 |
Divisor Catalog (5 of 16)
Collatz Trajectory (60 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.