1,692,945

3² × 5 × 17 × 2213

Starting at 1,692,945, the Collatz iteration reaches 1 after 145 steps. The first transition is 5078836; the starting value is odd with 24 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 5 × 17 × 2213

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,108,456

Proper Divisor Sum 1,415,511

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1692917 ← → #1692947

Radix Representation

Decimal	1692945
Binary	110011101010100010001 (21 bits)
Octal	0o6352421
Hexadecimal	0x19D511

Divisor Catalog (24)

1 3 5 9 15 17 45 51 85 153 255 765 2,213 6,639 11,065 19,917 33,195 37,621 99,585 112,863 188,105 338,589 564,315 1,692,945

Collatz Trajectory (145 steps to reach 1)

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

1,692,945 5,078,836 2,539,418 1,269,709 3,809,128 1,904,564 952,282 476,141 1,428,424 714,212 357,106 178,553 535,660 267,830 133,915 401,746 200,873 602,620 301,310 150,655 451,966 225,983 677,950 338,975 1,016,926 508,463 1,525,390 762,695 2,288,086 1,144,043 3,432,130 1,716,065 5,148,196 2,574,098 1,287,049 3,861,148 1,930,574 965,287 2,895,862 1,447,931 4,343,794 2,171,897 6,515,692 3,257,846 1,628,923 4,886,770 2,443,385 7,330,156 3,665,078 1,832,539 5,497,618 2,748,809 8,246,428 4,123,214 2,061,607 6,184,822 3,092,411 9,277,234 4,638,617 13,915,852

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