λ
Sequence Observatory

6,673,787

71 × 93997
Deficient Odd Composite

Starting at 6,673,787, the Collatz iteration reaches 1 after 165 steps. The first transition is 20021362; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 71 × 93997
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,767,856
Proper Divisor Sum 94,069
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #6673763 ← → #6673789

Radix Representation

Decimal 6673787
Binary 11001011101010101111011 (23 bits)
Octal 0o31352573
Hexadecimal 0x65D57B

Divisor Catalog (4)

1 71 93,997 6,673,787

Collatz Trajectory (165 steps to reach 1)

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

6,673,787 20,021,362 10,010,681 30,032,044 15,016,022 7,508,011 22,524,034 11,262,017 33,786,052 16,893,026 8,446,513 25,339,540 12,669,770 6,334,885 19,004,656 9,502,328 4,751,164 2,375,582 1,187,791 3,563,374 1,781,687 5,345,062 2,672,531 8,017,594 4,008,797 12,026,392 6,013,196 3,006,598 1,503,299 4,509,898 2,254,949 6,764,848 3,382,424 1,691,212 845,606 422,803 1,268,410 634,205 1,902,616 951,308 475,654 237,827 713,482 356,741 1,070,224 535,112 267,556 133,778 66,889 200,668 100,334 50,167 150,502 75,251 225,754 112,877 338,632 169,316 84,658 42,329

More profiles

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