688,525
52 × 27541
Deficient
Odd
Composite
688,525 has digital root 7. The neighboring primes are 688511 and 688531; its proper-divisor sum differs from the starting integer by -523,248.
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Prime Factor Structure
Factorization String
5^2 × 27541
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
6
Divisor Sum (σ)
853,802
Proper Divisor Sum
165,277
Digit Sum / Digital Root
34 (Root: 7)
Radix Representation
| Decimal | 688525 |
| Binary | 10101000000110001101 (20 bits) |
| Octal | 0o2500615 |
| Hexadecimal | 0xA818D |
Divisor Catalog (5 of 6)
Collatz Trajectory (198 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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