8,718,221
8718221
Deficient
Odd
Prime
For 8,718,221, the 2 positive divisors have a total of 8,718,222. Removing 8,718,221 leaves 1, which gives the deficient classification.
Resources
Prime Factor Structure
Factorization String
8718221
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
8,718,222
Proper Divisor Sum
1
Digit Sum / Digital Root
29 (Root: 2)
Adjacent Primes
#8718217 ← → #8718247
Radix Representation
| Decimal | 8718221 |
| Binary | 100001010000011110001101 (24 bits) |
| Octal | 0o41203615 |
| Hexadecimal | 0x85078D |
Divisor Catalog (2)
Collatz Trajectory (106 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.