λ
Harmonic Matrix

1,666,740

22 × 3 × 5 × 27779
Abundant Even Composite

1,666,740 has digital root 3. The neighboring primes are 1666733 and 1666757; its proper-divisor sum differs from the starting integer by 1,333,560.

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Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 27779
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,667,040
Proper Divisor Sum 3,000,300
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #1666733 ← → #1666757

Radix Representation

Decimal 1666740
Binary 110010110111010110100 (21 bits)
Octal 0o6267264
Hexadecimal 0x196EB4

Divisor Catalog (5 of 24)

1 2 3 4 5

Collatz Trajectory (114 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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