λ
Match Zalai

2,194,426

2 × 13 × 84401
Deficient Even Composite

2,194,426 factors as 2 × 13 × 84401. Its 8 positive divisors give a proper-divisor sum of 1,350,458, so this integer is deficient. The Collatz stopping time is 86 steps.

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Prime Factor Structure

Factorization String 2 × 13 × 84401
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,544,884
Proper Divisor Sum 1,350,458
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #2194421 ← → #2194429

Radix Representation

Decimal 2194426
Binary 1000010111101111111010 (22 bits)
Octal 0o10275772
Hexadecimal 0x217BFA

Divisor Catalog (5 of 8)

1 2 13 26 84,401

Collatz Trajectory (86 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.

2,194,426 1,097,213 3,291,640 1,645,820 822,910

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