990,436
22 × 247609
Deficient
Even
Composite
990,436 has digital root 4. The neighboring primes are 990397 and 990463; its proper-divisor sum differs from the starting integer by -247,602.
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Prime Factor Structure
Factorization String
2^2 × 247609
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
6
Divisor Sum (σ)
1,733,270
Proper Divisor Sum
742,834
Digit Sum / Digital Root
31 (Root: 4)
Radix Representation
| Decimal | 990436 |
| Binary | 11110001110011100100 (20 bits) |
| Octal | 0o3616344 |
| Hexadecimal | 0xF1CE4 |
Divisor Catalog (5 of 6)
Collatz Trajectory (152 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.
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