1,218,988
22 × 193 × 1579
Deficient
Even
Composite
1,218,988 factors as 2^2 × 193 × 1579. Its 12 positive divisors give a proper-divisor sum of 926,652, so this integer is deficient. The Collatz stopping time is 266 steps.
Resources
Prime Factor Structure
Factorization String
2^2 × 193 × 1579
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
2,145,640
Proper Divisor Sum
926,652
Digit Sum / Digital Root
37 (Root: 1)
Adjacent Primes
#1218953 ← → #1218989
Radix Representation
| Decimal | 1218988 |
| Binary | 100101001100110101100 (21 bits) |
| Octal | 0o4514654 |
| Hexadecimal | 0x1299AC |
Divisor Catalog (5 of 12)
Collatz Trajectory (266 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.