λ
Harmonic Matrix

1,321,850

2 × 52 × 26437
Deficient Even Composite

1,321,850 has digital root 2. The neighboring primes are 1321847 and 1321867; its proper-divisor sum differs from the starting integer by -184,966.

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Prime Factor Structure

Factorization String 2 × 5^2 × 26437
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,458,734
Proper Divisor Sum 1,136,884
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #1321847 ← → #1321867

Radix Representation

Decimal 1321850
Binary 101000010101101111010 (21 bits)
Octal 0o5025572
Hexadecimal 0x142B7A

Divisor Catalog (5 of 12)

1 2 5 10 25

Collatz Trajectory (168 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.

1,321,850 660,925 1,982,776 991,388 495,694

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