λ
Prime Ledger

6,639,972

22 × 3 × 47 × 61 × 193
Abundant Even Composite

6,639,972 has the prime decomposition 2^2 × 3 × 47 × 61 × 193. Its 5 distinct prime factors produce 48 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3 × 47 × 61 × 193
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 16,165,632
Proper Divisor Sum 9,525,660
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #6639943 ← → #6639989

Radix Representation

Decimal 6639972
Binary 11001010101000101100100 (23 bits)
Octal 0o31250544
Hexadecimal 0x655164

Divisor Catalog (5 of 48)

1 2 3 4 6

Collatz Trajectory (116 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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