λ
Sigma Notebook

3,870,879

3 × 1290293
Deficient Odd Composite

3,870,879 is odd and not a perfect square. Its factorization is 3 × 1290293 and its 4 divisors sum to 5,161,176.

Prime Factor Structure

Factorization String 3 × 1290293
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,161,176
Proper Divisor Sum 1,290,297
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #3870869 ← → #3870899

Radix Representation

Decimal 3870879
Binary 1110110001000010011111 (22 bits)
Octal 0o16610237
Hexadecimal 0x3B109F

Divisor Catalog (4)

1 3 1,290,293 3,870,879

Collatz Trajectory (185 steps to reach 1)

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

3,870,879 11,612,638 5,806,319 17,418,958 8,709,479 26,128,438 13,064,219 39,192,658 19,596,329 58,788,988 29,394,494 14,697,247 44,091,742 22,045,871 66,137,614 33,068,807 99,206,422 49,603,211 148,809,634 74,404,817 223,214,452 111,607,226 55,803,613 167,410,840 83,705,420 41,852,710 20,926,355 62,779,066 31,389,533 94,168,600 47,084,300 23,542,150 11,771,075 35,313,226 17,656,613 52,969,840 26,484,920 13,242,460 6,621,230 3,310,615 9,931,846 4,965,923 14,897,770 7,448,885 22,346,656 11,173,328 5,586,664 2,793,332 1,396,666 698,333 2,095,000 1,047,500 523,750 261,875 785,626 392,813 1,178,440 589,220 294,610 147,305

More profiles

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