398,919
3 × 103 × 1291
Deficient
Odd
Composite
398,919 factors as 3 × 103 × 1291. Its 8 positive divisors give a proper-divisor sum of 138,553, so this integer is deficient. The Collatz stopping time is 161 steps.
Resources
Prime Factor Structure
Factorization String
3 × 103 × 1291
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
537,472
Proper Divisor Sum
138,553
Digit Sum / Digital Root
39 (Root: 3)
Adjacent Primes
#398917 ← → #398921
Radix Representation
| Decimal | 398919 |
| Binary | 1100001011001000111 (19 bits) |
| Octal | 0o1413107 |
| Hexadecimal | 0x61647 |
Divisor Catalog (5 of 8)
Collatz Trajectory (161 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.