1,326,440
23 × 5 × 33161
Abundant
Even
Composite
1,326,440 has digital root 2. The neighboring primes are 1326427 and 1326443; its proper-divisor sum differs from the starting integer by 331,700.
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Prime Factor Structure
Factorization String
2^3 × 5 × 33161
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
2,984,580
Proper Divisor Sum
1,658,140
Digit Sum / Digital Root
20 (Root: 2)
Radix Representation
| Decimal | 1326440 |
| Binary | 101000011110101101000 (21 bits) |
| Octal | 0o5036550 |
| Hexadecimal | 0x143D68 |
Divisor Catalog (5 of 16)
Collatz Trajectory (124 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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