λ
Sigma Notebook

1,979,474

2 × 7 × 31 × 4561
Deficient Even Composite

1,979,474 is even and not a perfect square. Its factorization is 2 × 7 × 31 × 4561 and its 16 divisors sum to 3,503,616.

Prime Factor Structure

Factorization String 2 × 7 × 31 × 4561
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,503,616
Proper Divisor Sum 1,524,142
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #1979473 ← → #1979489

Radix Representation

Decimal 1979474
Binary 111100011010001010010 (21 bits)
Octal 0o7432122
Hexadecimal 0x1E3452

Divisor Catalog (16)

1 2 7 14 31 62 217 434 4,561 9,122 31,927 63,854 141,391 282,782 989,737 1,979,474

Collatz Trajectory (171 steps to reach 1)

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

1,979,474 989,737 2,969,212 1,484,606 742,303 2,226,910 1,113,455 3,340,366 1,670,183 5,010,550 2,505,275 7,515,826 3,757,913 11,273,740 5,636,870 2,818,435 8,455,306 4,227,653 12,682,960 6,341,480 3,170,740 1,585,370 792,685 2,378,056 1,189,028 594,514 297,257 891,772 445,886 222,943 668,830 334,415 1,003,246 501,623 1,504,870 752,435 2,257,306 1,128,653 3,385,960 1,692,980 846,490 423,245 1,269,736 634,868 317,434 158,717 476,152 238,076 119,038 59,519 178,558 89,279 267,838 133,919 401,758 200,879 602,638 301,319 903,958 451,979

More profiles

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