λ
Sigma Notebook

8,920,394

2 × 7 × 637171
Deficient Even Composite

8,920,394 is even and not a perfect square. Its factorization is 2 × 7 × 637171 and its 8 divisors sum to 15,292,128.

Prime Factor Structure

Factorization String 2 × 7 × 637171
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 15,292,128
Proper Divisor Sum 6,371,734
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #8920391 ← → #8920403

Radix Representation

Decimal 8920394
Binary 100010000001110101001010 (24 bits)
Octal 0o42016512
Hexadecimal 0x881D4A

Divisor Catalog (8)

1 2 7 14 637,171 1,274,342 4,460,197 8,920,394

Collatz Trajectory (168 steps to reach 1)

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

8,920,394 4,460,197 13,380,592 6,690,296 3,345,148 1,672,574 836,287 2,508,862 1,254,431 3,763,294 1,881,647 5,644,942 2,822,471 8,467,414 4,233,707 12,701,122 6,350,561 19,051,684 9,525,842 4,762,921 14,288,764 7,144,382 3,572,191 10,716,574 5,358,287 16,074,862 8,037,431 24,112,294 12,056,147 36,168,442 18,084,221 54,252,664 27,126,332 13,563,166 6,781,583 20,344,750 10,172,375 30,517,126 15,258,563 45,775,690 22,887,845 68,663,536 34,331,768 17,165,884 8,582,942 4,291,471 12,874,414 6,437,207 19,311,622 9,655,811 28,967,434 14,483,717 43,451,152 21,725,576 10,862,788 5,431,394 2,715,697 8,147,092 4,073,546 2,036,773

More profiles

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