λ
Sequence Observatory

7,673,929

19 × 41 × 9851
Deficient Odd Composite

Starting at 7,673,929, the Collatz iteration reaches 1 after 235 steps. The first transition is 23021788; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 19 × 41 × 9851
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,275,680
Proper Divisor Sum 601,751
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #7673917 ← → #7673959

Radix Representation

Decimal 7673929
Binary 11101010001100001001001 (23 bits)
Octal 0o35214111
Hexadecimal 0x751849

Divisor Catalog (8)

1 19 41 779 9,851 187,169 403,891 7,673,929

Collatz Trajectory (235 steps to reach 1)

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

7,673,929 23,021,788 11,510,894 5,755,447 17,266,342 8,633,171 25,899,514 12,949,757 38,849,272 19,424,636 9,712,318 4,856,159 14,568,478 7,284,239 21,852,718 10,926,359 32,779,078 16,389,539 49,168,618 24,584,309 73,752,928 36,876,464 18,438,232 9,219,116 4,609,558 2,304,779 6,914,338 3,457,169 10,371,508 5,185,754 2,592,877 7,778,632 3,889,316 1,944,658 972,329 2,916,988 1,458,494 729,247 2,187,742 1,093,871 3,281,614 1,640,807 4,922,422 2,461,211 7,383,634 3,691,817 11,075,452 5,537,726 2,768,863 8,306,590 4,153,295 12,459,886 6,229,943 18,689,830 9,344,915 28,034,746 14,017,373 42,052,120 21,026,060 10,513,030

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