7,131,618
2 × 33 × 13 × 10159
Abundant
Even
Composite
7,131,618 has digital root 9. The neighboring primes are 7131613 and 7131623; its proper-divisor sum differs from the starting integer by 2,805,564.
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Prime Factor Structure
Factorization String
2 × 3^3 × 13 × 10159
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
32
Divisor Sum (σ)
17,068,800
Proper Divisor Sum
9,937,182
Digit Sum / Digital Root
27 (Root: 9)
Radix Representation
| Decimal | 7131618 |
| Binary | 11011001101000111100010 (23 bits) |
| Octal | 0o33150742 |
| Hexadecimal | 0x6CD1E2 |
Divisor Catalog (5 of 32)
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.
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