386,913
3 × 128971
Deficient
Odd
Composite
Starting at 386,913, the Collatz iteration reaches 1 after 161 steps. The first transition is 1160740; the starting value is odd with 4 positive divisors.
Resources
Prime Factor Structure
Factorization String
3 × 128971
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
515,888
Proper Divisor Sum
128,975
Digit Sum / Digital Root
30 (Root: 3)
Adjacent Primes
#386891 ← → #386921
Radix Representation
| Decimal | 386913 |
| Binary | 1011110011101100001 (19 bits) |
| Octal | 0o1363541 |
| Hexadecimal | 0x5E761 |
Divisor Catalog (4)
Collatz Trajectory (161 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.