399,516
22 × 3 × 132 × 197
Abundant
Even
Composite
399,516 factors as 2^2 × 3 × 13^2 × 197. Its 36 positive divisors give a proper-divisor sum of 615,036, so this integer is abundant. The Collatz stopping time is 55 steps.
Resources
Prime Factor Structure
Factorization String
2^2 × 3 × 13^2 × 197
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
36
Divisor Sum (σ)
1,014,552
Proper Divisor Sum
615,036
Digit Sum / Digital Root
33 (Root: 6)
Adjacent Primes
#399499 ← → #399523
Radix Representation
| Decimal | 399516 |
| Binary | 1100001100010011100 (19 bits) |
| Octal | 0o1414234 |
| Hexadecimal | 0x6189C |
Divisor Catalog (5 of 36)
Collatz Trajectory (55 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.