λ
Sequence Observatory

451,235

5 × 90247
Deficient Odd Composite

Starting at 451,235, the Collatz iteration reaches 1 after 138 steps. The first transition is 1353706; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 5 × 90247
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 541,488
Proper Divisor Sum 90,253
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #451207 ← → #451249

Radix Representation

Decimal 451235
Binary 1101110001010100011 (19 bits)
Octal 0o1561243
Hexadecimal 0x6E2A3

Divisor Catalog (4)

1 5 90,247 451,235

Collatz Trajectory (138 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.

451,235 1,353,706 676,853 2,030,560 1,015,280

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