821,677
821677
Deficient
Odd
Prime
821,677 factors as 821677. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 87 steps.
Resources
Prime Factor Structure
Factorization String
821677
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
821,678
Proper Divisor Sum
1
Digit Sum / Digital Root
31 (Root: 4)
Adjacent Primes
#821663 ← → #821741
Radix Representation
| Decimal | 821677 |
| Binary | 11001000100110101101 (20 bits) |
| Octal | 0o3104655 |
| Hexadecimal | 0xC89AD |
Divisor Catalog (2)
Collatz Trajectory (87 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.