991,925
52 × 11 × 3607
Deficient
Odd
Composite
991,925 has digital root 8. The neighboring primes are 991909 and 991927; its proper-divisor sum differs from the starting integer by -641,674.
Resources
Prime Factor Structure
Factorization String
5^2 × 11 × 3607
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
1,342,176
Proper Divisor Sum
350,251
Digit Sum / Digital Root
35 (Root: 8)
Adjacent Primes
#991909 ← → #991927
Radix Representation
| Decimal | 991925 |
| Binary | 11110010001010110101 (20 bits) |
| Octal | 0o3621265 |
| Hexadecimal | 0xF22B5 |
Divisor Catalog (5 of 12)
Collatz Trajectory (59 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.