1,853,266

2 × 926633

Starting at 1,853,266, the Collatz iteration reaches 1 after 215 steps. The first transition is 926633; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 926633

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,779,902

Proper Divisor Sum 926,636

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1853263 ← → #1853281

Radix Representation

Decimal	1853266
Binary	111000100011101010010 (21 bits)
Octal	0o7043522
Hexadecimal	0x1C4752

Divisor Catalog (4)

1 2 926,633 1,853,266

Collatz Trajectory (215 steps to reach 1)

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

1,853,266 926,633 2,779,900 1,389,950 694,975 2,084,926 1,042,463 3,127,390 1,563,695 4,691,086 2,345,543 7,036,630 3,518,315 10,554,946 5,277,473 15,832,420 7,916,210 3,958,105 11,874,316 5,937,158 2,968,579 8,905,738 4,452,869 13,358,608 6,679,304 3,339,652 1,669,826 834,913 2,504,740 1,252,370 626,185 1,878,556 939,278 469,639 1,408,918 704,459 2,113,378 1,056,689 3,170,068 1,585,034 792,517 2,377,552 1,188,776 594,388 297,194 148,597 445,792 222,896 111,448 55,724 27,862 13,931 41,794 20,897 62,692 31,346 15,673 47,020 23,510 11,755

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