688,927
691 × 997
Deficient
Odd
Composite
688,927 has the prime decomposition 691 × 997. Its 2 distinct prime factors produce 4 positive divisors.
Resources
Prime Factor Structure
Factorization String
691 × 997
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
690,616
Proper Divisor Sum
1,689
Digit Sum / Digital Root
40 (Root: 4)
Adjacent Primes
#688907 ← → #688939
Radix Representation
| Decimal | 688927 |
| Binary | 10101000001100011111 (20 bits) |
| Octal | 0o2501437 |
| Hexadecimal | 0xA831F |
Divisor Catalog (4)
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.