λ
Sequence Observatory

951,615

33 × 5 × 7 × 19 × 53
Abundant Odd Composite

Starting at 951,615, the Collatz iteration reaches 1 after 201 steps. The first transition is 2854846; the starting value is odd with 64 positive divisors.

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Prime Factor Structure

Factorization String 3^3 × 5 × 7 × 19 × 53
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 64
Divisor Sum (σ) 2,073,600
Proper Divisor Sum 1,121,985
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #951589 ← → #951623

Radix Representation

Decimal 951615
Binary 11101000010100111111 (20 bits)
Octal 0o3502477
Hexadecimal 0xE853F

Divisor Catalog (5 of 64)

1 3 5 7 9

Collatz Trajectory (201 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.

951,615 2,854,846 1,427,423 4,282,270 2,141,135

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