λ
Sigma Notebook

6,518,415

3 × 5 × 434561
Deficient Odd Composite

6,518,415 is odd and not a perfect square. Its factorization is 3 × 5 × 434561 and its 8 divisors sum to 10,429,488.

Prime Factor Structure

Factorization String 3 × 5 × 434561
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,429,488
Proper Divisor Sum 3,911,073
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #6518411 ← → #6518419

Radix Representation

Decimal 6518415
Binary 11000110111011010001111 (23 bits)
Octal 0o30673217
Hexadecimal 0x63768F

Divisor Catalog (8)

1 3 5 15 434,561 1,303,683 2,172,805 6,518,415

Collatz Trajectory (165 steps to reach 1)

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

6,518,415 19,555,246 9,777,623 29,332,870 14,666,435 43,999,306 21,999,653 65,998,960 32,999,480 16,499,740 8,249,870 4,124,935 12,374,806 6,187,403 18,562,210 9,281,105 27,843,316 13,921,658 6,960,829 20,882,488 10,441,244 5,220,622 2,610,311 7,830,934 3,915,467 11,746,402 5,873,201 17,619,604 8,809,802 4,404,901 13,214,704 6,607,352 3,303,676 1,651,838 825,919 2,477,758 1,238,879 3,716,638 1,858,319 5,574,958 2,787,479 8,362,438 4,181,219 12,543,658 6,271,829 18,815,488 9,407,744 4,703,872 2,351,936 1,175,968 587,984 293,992 146,996 73,498 36,749 110,248 55,124 27,562 13,781 41,344

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