9,991,888
24 × 727 × 859
Deficient
Even
Composite
9,991,888 factors as 2^4 × 727 × 859. Its 20 positive divisors give a proper-divisor sum of 9,416,592, so this integer is deficient. The Collatz stopping time is 163 steps.
Resources
Prime Factor Structure
Factorization String
2^4 × 727 × 859
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
20
Divisor Sum (σ)
19,408,480
Proper Divisor Sum
9,416,592
Digit Sum / Digital Root
52 (Root: 7)
Adjacent Primes
#9991879 ← → #9991939
Radix Representation
| Decimal | 9991888 |
| Binary | 100110000111011011010000 (24 bits) |
| Octal | 0o46073320 |
| Hexadecimal | 0x9876D0 |
Divisor Catalog (5 of 20)
Collatz Trajectory (163 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.