1,499,129

31 × 37 × 1307

Starting at 1,499,129, the Collatz iteration reaches 1 after 256 steps. The first transition is 4497388; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 31 × 37 × 1307

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,590,528

Proper Divisor Sum 91,399

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1499123 ← → #1499149

Radix Representation

Decimal	1499129
Binary	101101101111111111001 (21 bits)
Octal	0o5557771
Hexadecimal	0x16DFF9

Divisor Catalog (8)

1 31 37 1,147 1,307 40,517 48,359 1,499,129

Collatz Trajectory (256 steps to reach 1)

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

1,499,129 4,497,388 2,248,694 1,124,347 3,373,042 1,686,521 5,059,564 2,529,782 1,264,891 3,794,674 1,897,337 5,692,012 2,846,006 1,423,003 4,269,010 2,134,505 6,403,516 3,201,758 1,600,879 4,802,638 2,401,319 7,203,958 3,601,979 10,805,938 5,402,969 16,208,908 8,104,454 4,052,227 12,156,682 6,078,341 18,235,024 9,117,512 4,558,756 2,279,378 1,139,689 3,419,068 1,709,534 854,767 2,564,302 1,282,151 3,846,454 1,923,227 5,769,682 2,884,841 8,654,524 4,327,262 2,163,631 6,490,894 3,245,447 9,736,342 4,868,171 14,604,514 7,302,257 21,906,772 10,953,386 5,476,693 16,430,080 8,215,040 4,107,520 2,053,760

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