λ
Sequence Observatory

3,786,171

3 × 1262057
Deficient Odd Composite

Starting at 3,786,171, the Collatz iteration reaches 1 after 247 steps. The first transition is 11358514; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 1262057
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,048,232
Proper Divisor Sum 1,262,061
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #3786169 ← → #3786197

Radix Representation

Decimal 3786171
Binary 1110011100010110111011 (22 bits)
Octal 0o16342673
Hexadecimal 0x39C5BB

Divisor Catalog (4)

1 3 1,262,057 3,786,171

Collatz Trajectory (247 steps to reach 1)

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

3,786,171 11,358,514 5,679,257 17,037,772 8,518,886 4,259,443 12,778,330 6,389,165 19,167,496 9,583,748 4,791,874 2,395,937 7,187,812 3,593,906 1,796,953 5,390,860 2,695,430 1,347,715 4,043,146 2,021,573 6,064,720 3,032,360 1,516,180 758,090 379,045 1,137,136 568,568 284,284 142,142 71,071 213,214 106,607 319,822 159,911 479,734 239,867 719,602 359,801 1,079,404 539,702 269,851 809,554 404,777 1,214,332 607,166 303,583 910,750 455,375 1,366,126 683,063 2,049,190 1,024,595 3,073,786 1,536,893 4,610,680 2,305,340 1,152,670 576,335 1,729,006 864,503

More profiles

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