1,225,330

2 × 5 × 122533

Starting at 1,225,330, the Collatz iteration reaches 1 after 85 steps. The first transition is 612665; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 122533

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,205,612

Proper Divisor Sum 980,282

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1225327 ← → #1225331

Radix Representation

Decimal	1225330
Binary	100101011001001110010 (21 bits)
Octal	0o4531162
Hexadecimal	0x12B272

Divisor Catalog (8)

1 2 5 10 122,533 245,066 612,665 1,225,330

Collatz Trajectory (85 steps to reach 1)

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

1,225,330 612,665 1,837,996 918,998 459,499 1,378,498 689,249 2,067,748 1,033,874 516,937 1,550,812 775,406 387,703 1,163,110 581,555 1,744,666 872,333 2,617,000 1,308,500 654,250 327,125 981,376 490,688 245,344 122,672 61,336 30,668 15,334 7,667 23,002 11,501 34,504 17,252 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300

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