1,325,443

7 × 189349

Starting at 1,325,443, the Collatz iteration reaches 1 after 155 steps. The first transition is 3976330; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 189349

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,514,800

Proper Divisor Sum 189,357

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1325431 ← → #1325449

Radix Representation

Decimal	1325443
Binary	101000011100110000011 (21 bits)
Octal	0o5034603
Hexadecimal	0x143983

Divisor Catalog (4)

1 7 189,349 1,325,443

Collatz Trajectory (155 steps to reach 1)

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

1,325,443 3,976,330 1,988,165 5,964,496 2,982,248 1,491,124 745,562 372,781 1,118,344 559,172 279,586 139,793 419,380 209,690 104,845 314,536 157,268 78,634 39,317 117,952 58,976 29,488 14,744 7,372 3,686 1,843 5,530 2,765 8,296 4,148 2,074 1,037 3,112 1,556 778 389 1,168 584 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242

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