1,131,906

2 × 3 × 19 × 9929

Starting at 1,131,906, the Collatz iteration reaches 1 after 85 steps. The first transition is 565953; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 19 × 9929

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,383,200

Proper Divisor Sum 1,251,294

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1131883 ← → #1131913

Radix Representation

Decimal	1131906
Binary	100010100010110000010 (21 bits)
Octal	0o4242602
Hexadecimal	0x114582

Divisor Catalog (16)

1 2 3 6 19 38 57 114 9,929 19,858 29,787 59,574 188,651 377,302 565,953 1,131,906

Collatz Trajectory (85 steps to reach 1)

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

1,131,906 565,953 1,697,860 848,930 424,465 1,273,396 636,698 318,349 955,048 477,524 238,762 119,381 358,144 179,072 89,536 44,768 22,384 11,192 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119 358 179 538 269 808 404 202

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