4,388,049

3² × 487561

Starting at 4,388,049, the Collatz iteration reaches 1 after 149 steps. The first transition is 13164148; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 487561

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 6,338,306

Proper Divisor Sum 1,950,257

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #4388039 ← → #4388063

Radix Representation

Decimal	4388049
Binary	10000101111010011010001 (23 bits)
Octal	0o20572321
Hexadecimal	0x42F4D1

Divisor Catalog (6)

1 3 9 487,561 1,462,683 4,388,049

Collatz Trajectory (149 steps to reach 1)

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

4,388,049 13,164,148 6,582,074 3,291,037 9,873,112 4,936,556 2,468,278 1,234,139 3,702,418 1,851,209 5,553,628 2,776,814 1,388,407 4,165,222 2,082,611 6,247,834 3,123,917 9,371,752 4,685,876 2,342,938 1,171,469 3,514,408 1,757,204 878,602 439,301 1,317,904 658,952 329,476 164,738 82,369 247,108 123,554 61,777 185,332 92,666 46,333 139,000 69,500 34,750 17,375 52,126 26,063 78,190 39,095 117,286 58,643 175,930 87,965 263,896 131,948 65,974 32,987 98,962 49,481 148,444 74,222 37,111 111,334 55,667 167,002

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