λ
Sequence Observatory

1,545,929

7 × 11 × 17 × 1181
Deficient Odd Composite

Starting at 1,545,929, the Collatz iteration reaches 1 after 212 steps. The first transition is 4637788; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 7 × 11 × 17 × 1181
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 2,042,496
Proper Divisor Sum 496,567
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1545917 ← → #1545949

Radix Representation

Decimal 1545929
Binary 101111001011011001001 (21 bits)
Octal 0o5713311
Hexadecimal 0x1796C9

Divisor Catalog (5 of 16)

1 7 11 17 77

Collatz Trajectory (212 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.

1,545,929 4,637,788 2,318,894 1,159,447 3,478,342

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