1,661,490
2 × 32 × 5 × 18461
Abundant
Even
Composite
1,661,490 factors as 2 × 3^2 × 5 × 18461. Its 24 positive divisors give a proper-divisor sum of 2,658,618, so this integer is abundant. The Collatz stopping time is 114 steps.
Resources
Prime Factor Structure
Factorization String
2 × 3^2 × 5 × 18461
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
24
Divisor Sum (σ)
4,320,108
Proper Divisor Sum
2,658,618
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#1661489 ← → #1661503
Radix Representation
| Decimal | 1661490 |
| Binary | 110010101101000110010 (21 bits) |
| Octal | 0o6255062 |
| Hexadecimal | 0x195A32 |
Divisor Catalog (5 of 24)
Collatz Trajectory (114 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.