λ
Sequence Observatory

8,288,839

13 × 637603
Deficient Odd Composite

Starting at 8,288,839, the Collatz iteration reaches 1 after 274 steps. The first transition is 24866518; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 13 × 637603
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,926,456
Proper Divisor Sum 637,617
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8288831 ← → #8288849

Radix Representation

Decimal 8288839
Binary 11111100111101001000111 (23 bits)
Octal 0o37475107
Hexadecimal 0x7E7A47

Divisor Catalog (4)

1 13 637,603 8,288,839

Collatz Trajectory (274 steps to reach 1)

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

8,288,839 24,866,518 12,433,259 37,299,778 18,649,889 55,949,668 27,974,834 13,987,417 41,962,252 20,981,126 10,490,563 31,471,690 15,735,845 47,207,536 23,603,768 11,801,884 5,900,942 2,950,471 8,851,414 4,425,707 13,277,122 6,638,561 19,915,684 9,957,842 4,978,921 14,936,764 7,468,382 3,734,191 11,202,574 5,601,287 16,803,862 8,401,931 25,205,794 12,602,897 37,808,692 18,904,346 9,452,173 28,356,520 14,178,260 7,089,130 3,544,565 10,633,696 5,316,848 2,658,424 1,329,212 664,606 332,303 996,910 498,455 1,495,366 747,683 2,243,050 1,121,525 3,364,576 1,682,288 841,144 420,572 210,286 105,143 315,430

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