6,540,991
197 × 33203
Deficient
Odd
Composite
Starting at 6,540,991, the Collatz iteration reaches 1 after 121 steps. The first transition is 19622974; the starting value is odd with 4 positive divisors.
Resources
Prime Factor Structure
Factorization String
197 × 33203
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
6,574,392
Proper Divisor Sum
33,401
Digit Sum / Digital Root
34 (Root: 7)
Adjacent Primes
#6540983 ← → #6541021
Radix Representation
| Decimal | 6540991 |
| Binary | 11000111100111010111111 (23 bits) |
| Octal | 0o30747277 |
| Hexadecimal | 0x63CEBF |
Divisor Catalog (4)
Collatz Trajectory (121 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.