2,557,806
2 × 3 × 426301
Abundant
Even
Composite
Starting at 2,557,806, the Collatz iteration reaches 1 after 112 steps. The first transition is 1278903; the starting value is even with 8 positive divisors.
Resources
Prime Factor Structure
Factorization String
2 × 3 × 426301
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
5,115,624
Proper Divisor Sum
2,557,818
Digit Sum / Digital Root
33 (Root: 6)
Adjacent Primes
#2557781 ← → #2557813
Radix Representation
| Decimal | 2557806 |
| Binary | 1001110000011101101110 (22 bits) |
| Octal | 0o11603556 |
| Hexadecimal | 0x27076E |
Divisor Catalog (5 of 8)
Collatz Trajectory (112 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.