λ
Sigma Notebook

8,991,250

2 × 54 × 7193
Deficient Even Composite

8,991,250 is even and not a perfect square. Its factorization is 2 × 5^4 × 7193 and its 20 divisors sum to 16,855,542.

Prime Factor Structure

Factorization String 2 × 5^4 × 7193
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 16,855,542
Proper Divisor Sum 7,864,292
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8991239 ← → #8991251

Radix Representation

Decimal 8991250
Binary 100010010011001000010010 (24 bits)
Octal 0o42231022
Hexadecimal 0x893212

Divisor Catalog (20)

1 2 5 10 25 50 125 250 625 1,250 7,193 14,386 35,965 71,930 179,825 359,650 899,125 1,798,250 4,495,625 8,991,250

Collatz Trajectory (111 steps to reach 1)

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

8,991,250 4,495,625 13,486,876 6,743,438 3,371,719 10,115,158 5,057,579 15,172,738 7,586,369 22,759,108 11,379,554 5,689,777 17,069,332 8,534,666 4,267,333 12,802,000 6,401,000 3,200,500 1,600,250 800,125 2,400,376 1,200,188 600,094 300,047 900,142 450,071 1,350,214 675,107 2,025,322 1,012,661 3,037,984 1,518,992 759,496 379,748 189,874 94,937 284,812 142,406 71,203 213,610 106,805 320,416 160,208 80,104 40,052 20,026 10,013 30,040 15,020 7,510 3,755 11,266 5,633 16,900 8,450 4,225 12,676 6,338 3,169 9,508

More profiles

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