8,407,185
3 × 5 × 560479
Deficient
Odd
Composite
Starting at 8,407,185, the Collatz iteration reaches 1 after 155 steps. The first transition is 25221556; the starting value is odd with 8 positive divisors.
Resources
Prime Factor Structure
Factorization String
3 × 5 × 560479
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
13,451,520
Proper Divisor Sum
5,044,335
Digit Sum / Digital Root
33 (Root: 6)
Adjacent Primes
#8407183 ← → #8407199
Radix Representation
| Decimal | 8407185 |
| Binary | 100000000100100010010001 (24 bits) |
| Octal | 0o40044221 |
| Hexadecimal | 0x804891 |
Divisor Catalog (5 of 8)
Collatz Trajectory (155 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.