λ
Sequence Observatory

7,680,541

11 × 19 × 36749
Deficient Odd Composite

Starting at 7,680,541, the Collatz iteration reaches 1 after 98 steps. The first transition is 23041624; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 11 × 19 × 36749
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,820,000
Proper Divisor Sum 1,139,459
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7680539 ← → #7680553

Radix Representation

Decimal 7680541
Binary 11101010011001000011101 (23 bits)
Octal 0o35231035
Hexadecimal 0x75321D

Divisor Catalog (8)

1 11 19 209 36,749 404,239 698,231 7,680,541

Collatz Trajectory (98 steps to reach 1)

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

7,680,541 23,041,624 11,520,812 5,760,406 2,880,203 8,640,610 4,320,305 12,960,916 6,480,458 3,240,229 9,720,688 4,860,344 2,430,172 1,215,086 607,543 1,822,630 911,315 2,733,946 1,366,973 4,100,920 2,050,460 1,025,230 512,615 1,537,846 768,923 2,306,770 1,153,385 3,460,156 1,730,078 865,039 2,595,118 1,297,559 3,892,678 1,946,339 5,839,018 2,919,509 8,758,528 4,379,264 2,189,632 1,094,816 547,408 273,704 136,852 68,426 34,213 102,640 51,320 25,660 12,830 6,415 19,246 9,623 28,870 14,435 43,306 21,653 64,960 32,480 16,240 8,120

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