661,456
24 × 41341
Deficient
Even
Composite
661,456 factors as 2^4 × 41341. Its 10 positive divisors give a proper-divisor sum of 620,146, so this integer is deficient. The Collatz stopping time is 185 steps.
Resources
Prime Factor Structure
Factorization String
2^4 × 41341
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
10
Divisor Sum (σ)
1,281,602
Proper Divisor Sum
620,146
Digit Sum / Digital Root
28 (Root: 1)
Adjacent Primes
#661439 ← → #661459
Radix Representation
| Decimal | 661456 |
| Binary | 10100001011111010000 (20 bits) |
| Octal | 0o2413720 |
| Hexadecimal | 0xA17D0 |
Divisor Catalog (5 of 10)
Collatz Trajectory (185 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.