λ
Sequence Observatory

7,823,983

37 × 103 × 2053
Deficient Odd Composite

Starting at 7,823,983, the Collatz iteration reaches 1 after 129 steps. The first transition is 23471950; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 37 × 103 × 2053
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,117,408
Proper Divisor Sum 293,425
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #7823971 ← → #7823993

Radix Representation

Decimal 7823983
Binary 11101110110001001101111 (23 bits)
Octal 0o35661157
Hexadecimal 0x77626F

Divisor Catalog (8)

1 37 103 2,053 3,811 75,961 211,459 7,823,983

Collatz Trajectory (129 steps to reach 1)

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

7,823,983 23,471,950 11,735,975 35,207,926 17,603,963 52,811,890 26,405,945 79,217,836 39,608,918 19,804,459 59,413,378 29,706,689 89,120,068 44,560,034 22,280,017 66,840,052 33,420,026 16,710,013 50,130,040 25,065,020 12,532,510 6,266,255 18,798,766 9,399,383 28,198,150 14,099,075 42,297,226 21,148,613 63,445,840 31,722,920 15,861,460 7,930,730 3,965,365 11,896,096 5,948,048 2,974,024 1,487,012 743,506 371,753 1,115,260 557,630 278,815 836,446 418,223 1,254,670 627,335 1,882,006 941,003 2,823,010 1,411,505 4,234,516 2,117,258 1,058,629 3,175,888 1,587,944 793,972 396,986 198,493 595,480 297,740

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