λ
Sequence Observatory

5,041,639

17 × 71 × 4177
Deficient Odd Composite

Starting at 5,041,639, the Collatz iteration reaches 1 after 250 steps. The first transition is 15124918; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 17 × 71 × 4177
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,414,688
Proper Divisor Sum 373,049
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #5041637 ← → #5041649

Radix Representation

Decimal 5041639
Binary 10011001110110111100111 (23 bits)
Octal 0o23166747
Hexadecimal 0x4CEDE7

Divisor Catalog (8)

1 17 71 1,207 4,177 71,009 296,567 5,041,639

Collatz Trajectory (250 steps to reach 1)

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

5,041,639 15,124,918 7,562,459 22,687,378 11,343,689 34,031,068 17,015,534 8,507,767 25,523,302 12,761,651 38,284,954 19,142,477 57,427,432 28,713,716 14,356,858 7,178,429 21,535,288 10,767,644 5,383,822 2,691,911 8,075,734 4,037,867 12,113,602 6,056,801 18,170,404 9,085,202 4,542,601 13,627,804 6,813,902 3,406,951 10,220,854 5,110,427 15,331,282 7,665,641 22,996,924 11,498,462 5,749,231 17,247,694 8,623,847 25,871,542 12,935,771 38,807,314 19,403,657 58,210,972 29,105,486 14,552,743 43,658,230 21,829,115 65,487,346 32,743,673 98,231,020 49,115,510 24,557,755 73,673,266 36,836,633 110,509,900 55,254,950 27,627,475 82,882,426 41,441,213

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