λ
Sequence Observatory

1,551,703

29 × 53507
Deficient Odd Composite

Starting at 1,551,703, the Collatz iteration reaches 1 after 150 steps. The first transition is 4655110; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 29 × 53507
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,605,240
Proper Divisor Sum 53,537
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1551701 ← → #1551707

Radix Representation

Decimal 1551703
Binary 101111010110101010111 (21 bits)
Octal 0o5726527
Hexadecimal 0x17AD57

Divisor Catalog (4)

1 29 53,507 1,551,703

Collatz Trajectory (150 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.

1,551,703 4,655,110 2,327,555 6,982,666 3,491,333

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