λ
Sequence Observatory

1,789,769

1789769
Deficient Odd Prime

Starting at 1,789,769, the Collatz iteration reaches 1 after 101 steps. The first transition is 5369308; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1789769
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,789,770
Proper Divisor Sum 1
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #1789751 ← → #1789783

Radix Representation

Decimal 1789769
Binary 110110100111101001001 (21 bits)
Octal 0o6647511
Hexadecimal 0x1B4F49

Divisor Catalog (2)

Collatz Trajectory (101 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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