4,047,205
5 × 31 × 26111
Deficient
Odd
Composite
Starting at 4,047,205, the Collatz iteration reaches 1 after 84 steps. The first transition is 12141616; the starting value is odd with 8 positive divisors.
Resources
Prime Factor Structure
Factorization String
5 × 31 × 26111
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
5,013,504
Proper Divisor Sum
966,299
Digit Sum / Digital Root
22 (Root: 4)
Adjacent Primes
#4047157 ← → #4047257
Radix Representation
| Decimal | 4047205 |
| Binary | 1111011100000101100101 (22 bits) |
| Octal | 0o17340545 |
| Hexadecimal | 0x3DC165 |
Divisor Catalog (5 of 8)
Collatz Trajectory (84 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.