λ
Sequence Observatory

1,923,623

13 × 73 × 2027
Deficient Odd Composite

Starting at 1,923,623, the Collatz iteration reaches 1 after 215 steps. The first transition is 5770870; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 13 × 73 × 2027
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,101,008
Proper Divisor Sum 177,385
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1923613 ← → #1923653

Radix Representation

Decimal 1923623
Binary 111010101101000100111 (21 bits)
Octal 0o7255047
Hexadecimal 0x1D5A27

Divisor Catalog (5 of 8)

1 13 73 949 2,027

Collatz Trajectory (215 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.

1,923,623 5,770,870 2,885,435 8,656,306 4,328,153

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