2,288,678

2 × 7 × 163477

Starting at 2,288,678, the Collatz iteration reaches 1 after 223 steps. The first transition is 1144339; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 163477

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,923,472

Proper Divisor Sum 1,634,794

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #2288677 ← → #2288681

Radix Representation

Decimal	2288678
Binary	1000101110110000100110 (22 bits)
Octal	0o10566046
Hexadecimal	0x22EC26

Divisor Catalog (8)

1 2 7 14 163,477 326,954 1,144,339 2,288,678

Collatz Trajectory (223 steps to reach 1)

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

2,288,678 1,144,339 3,433,018 1,716,509 5,149,528 2,574,764 1,287,382 643,691 1,931,074 965,537 2,896,612 1,448,306 724,153 2,172,460 1,086,230 543,115 1,629,346 814,673 2,444,020 1,222,010 611,005 1,833,016 916,508 458,254 229,127 687,382 343,691 1,031,074 515,537 1,546,612 773,306 386,653 1,159,960 579,980 289,990 144,995 434,986 217,493 652,480 326,240 163,120 81,560 40,780 20,390 10,195 30,586 15,293 45,880 22,940 11,470 5,735 17,206 8,603 25,810 12,905 38,716 19,358 9,679 29,038 14,519

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