λ
Prime Ledger

542,209

131 × 4139
Deficient Odd Composite

542,209 has the prime decomposition 131 × 4139. Its 2 distinct prime factors produce 4 positive divisors.

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Prime Factor Structure

Factorization String 131 × 4139
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 546,480
Proper Divisor Sum 4,271
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #542207 ← → #542219

Radix Representation

Decimal 542209
Binary 10000100011000000001 (20 bits)
Octal 0o2043001
Hexadecimal 0x84601

Divisor Catalog (4)

1 131 4,139 542,209

Collatz Trajectory (115 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.

542,209 1,626,628 813,314 406,657 1,219,972

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