λ
Sequence Observatory

1,709,776

24 × 106861
Deficient Even Composite

Starting at 1,709,776, the Collatz iteration reaches 1 after 127 steps. The first transition is 854888; the starting value is even with 10 positive divisors.

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Prime Factor Structure

Factorization String 2^4 × 106861
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 10
Divisor Sum (σ) 3,312,722
Proper Divisor Sum 1,602,946
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #1709767 ← → #1709783

Radix Representation

Decimal 1709776
Binary 110100001011011010000 (21 bits)
Octal 0o6413320
Hexadecimal 0x1A16D0

Divisor Catalog (5 of 10)

1 2 4 8 16

Collatz Trajectory (127 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.

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