λ
Sigma Notebook

2,217,035

5 × 443407
Deficient Odd Composite

2,217,035 is odd and not a perfect square. Its factorization is 5 × 443407 and its 4 divisors sum to 2,660,448.

Prime Factor Structure

Factorization String 5 × 443407
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,660,448
Proper Divisor Sum 443,413
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #2217029 ← → #2217041

Radix Representation

Decimal 2217035
Binary 1000011101010001001011 (22 bits)
Octal 0o10352113
Hexadecimal 0x21D44B

Divisor Catalog (4)

1 5 443,407 2,217,035

Collatz Trajectory (210 steps to reach 1)

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

2,217,035 6,651,106 3,325,553 9,976,660 4,988,330 2,494,165 7,482,496 3,741,248 1,870,624 935,312 467,656 233,828 116,914 58,457 175,372 87,686 43,843 131,530 65,765 197,296 98,648 49,324 24,662 12,331 36,994 18,497 55,492 27,746 13,873 41,620 20,810 10,405 31,216 15,608 7,804 3,902 1,951 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074

More profiles

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