λ
Sigma Notebook

2,921,787

32 × 112 × 2683
Deficient Odd Composite

2,921,787 is odd and not a perfect square. Its factorization is 3^2 × 11^2 × 2683 and its 18 divisors sum to 4,640,636.

Prime Factor Structure

Factorization String 3^2 × 11^2 × 2683
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 18
Divisor Sum (σ) 4,640,636
Proper Divisor Sum 1,718,849
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #2921777 ← → #2921819

Radix Representation

Decimal 2921787
Binary 1011001001010100111011 (22 bits)
Octal 0o13112473
Hexadecimal 0x2C953B

Divisor Catalog (18)

1 3 9 11 33 99 121 363 1,089 2,683 8,049 24,147 29,513 88,539 265,617 324,643 973,929 2,921,787

Collatz Trajectory (319 steps to reach 1)

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

2,921,787 8,765,362 4,382,681 13,148,044 6,574,022 3,287,011 9,861,034 4,930,517 14,791,552 7,395,776 3,697,888 1,848,944 924,472 462,236 231,118 115,559 346,678 173,339 520,018 260,009 780,028 390,014 195,007 585,022 292,511 877,534 438,767 1,316,302 658,151 1,974,454 987,227 2,961,682 1,480,841 4,442,524 2,221,262 1,110,631 3,331,894 1,665,947 4,997,842 2,498,921 7,496,764 3,748,382 1,874,191 5,622,574 2,811,287 8,433,862 4,216,931 12,650,794 6,325,397 18,976,192 9,488,096 4,744,048 2,372,024 1,186,012 593,006 296,503 889,510 444,755 1,334,266 667,133

More profiles

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