668,791
668791
Deficient
Odd
Prime
Starting at 668,791, the Collatz iteration reaches 1 after 167 steps. The first transition is 2006374; the starting value is odd with 2 positive divisors.
Resources
Prime Factor Structure
Factorization String
668791
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
668,792
Proper Divisor Sum
1
Digit Sum / Digital Root
37 (Root: 1)
Adjacent Primes
#668761 ← → #668803
Radix Representation
| Decimal | 668791 |
| Binary | 10100011010001110111 (20 bits) |
| Octal | 0o2432167 |
| Hexadecimal | 0xA3477 |
Divisor Catalog (2)
Collatz Trajectory (167 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.