4,005,892
22 × 11 × 181 × 503
Deficient
Even
Composite
Starting at 4,005,892, the Collatz iteration reaches 1 after 141 steps. The first transition is 2002946; the starting value is even with 24 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^2 × 11 × 181 × 503
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
24
Divisor Sum (σ)
7,705,152
Proper Divisor Sum
3,699,260
Digit Sum / Digital Root
28 (Root: 1)
Adjacent Primes
#4005889 ← → #4005893
Radix Representation
| Decimal | 4005892 |
| Binary | 1111010010000000000100 (22 bits) |
| Octal | 0o17220004 |
| Hexadecimal | 0x3D2004 |
Divisor Catalog (5 of 24)
Collatz Trajectory (141 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.