λ
Sequence Observatory

3,543,287

11 × 193 × 1669
Deficient Odd Composite

Starting at 3,543,287, the Collatz iteration reaches 1 after 221 steps. The first transition is 10629862; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 11 × 193 × 1669
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,887,760
Proper Divisor Sum 344,473
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3543257 ← → #3543289

Radix Representation

Decimal 3543287
Binary 1101100001000011110111 (22 bits)
Octal 0o15410367
Hexadecimal 0x3610F7

Divisor Catalog (8)

1 11 193 1,669 2,123 18,359 322,117 3,543,287

Collatz Trajectory (221 steps to reach 1)

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

3,543,287 10,629,862 5,314,931 15,944,794 7,972,397 23,917,192 11,958,596 5,979,298 2,989,649 8,968,948 4,484,474 2,242,237 6,726,712 3,363,356 1,681,678 840,839 2,522,518 1,261,259 3,783,778 1,891,889 5,675,668 2,837,834 1,418,917 4,256,752 2,128,376 1,064,188 532,094 266,047 798,142 399,071 1,197,214 598,607 1,795,822 897,911 2,693,734 1,346,867 4,040,602 2,020,301 6,060,904 3,030,452 1,515,226 757,613 2,272,840 1,136,420 568,210 284,105 852,316 426,158 213,079 639,238 319,619 958,858 479,429 1,438,288 719,144 359,572 179,786 89,893 269,680 134,840

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