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Math Directory

2,662,907

13 × 19 × 10781
Deficient Odd Composite

2,662,907 factors as 13 × 19 × 10781. Its 8 positive divisors give a proper-divisor sum of 356,053, so this integer is deficient. The Collatz stopping time is 249 steps.

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Prime Factor Structure

Factorization String 13 × 19 × 10781
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,018,960
Proper Divisor Sum 356,053
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2662903 ← → #2662921

Radix Representation

Decimal 2662907
Binary 1010001010000111111011 (22 bits)
Octal 0o12120773
Hexadecimal 0x28A1FB

Divisor Catalog (5 of 8)

1 13 19 247 10,781

Collatz Trajectory (249 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.

2,662,907 7,988,722 3,994,361 11,983,084 5,991,542

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