1,275,646
2 × 172 × 2207
Deficient
Even
Composite
1,275,646 has digital root 4. The neighboring primes are 1275643 and 1275661; its proper-divisor sum differs from the starting integer by -517,724.
Resources
Prime Factor Structure
Factorization String
2 × 17^2 × 2207
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
2,033,568
Proper Divisor Sum
757,922
Digit Sum / Digital Root
31 (Root: 4)
Adjacent Primes
#1275643 ← → #1275661
Radix Representation
| Decimal | 1275646 |
| Binary | 100110111011011111110 (21 bits) |
| Octal | 0o4673376 |
| Hexadecimal | 0x1376FE |
Divisor Catalog (5 of 12)
Collatz Trajectory (173 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.