1,388,446

2 × 694223

1,388,446 is even and not a perfect square. Its factorization is 2 × 694223 and its 4 divisors sum to 2,082,672.

Prime Factor Structure

Factorization String 2 × 694223

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,082,672

Proper Divisor Sum 694,226

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1388419 ← → #1388449

Radix Representation

Decimal	1388446
Binary	101010010111110011110 (21 bits)
Octal	0o5227636
Hexadecimal	0x152F9E

Divisor Catalog (4)

1 2 694,223 1,388,446

Collatz Trajectory (137 steps to reach 1)

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

1,388,446 694,223 2,082,670 1,041,335 3,124,006 1,562,003 4,686,010 2,343,005 7,029,016 3,514,508 1,757,254 878,627 2,635,882 1,317,941 3,953,824 1,976,912 988,456 494,228 247,114 123,557 370,672 185,336 92,668 46,334 23,167 69,502 34,751 104,254 52,127 156,382 78,191 234,574 117,287 351,862 175,931 527,794 263,897 791,692 395,846 197,923 593,770 296,885 890,656 445,328 222,664 111,332 55,666 27,833 83,500 41,750 20,875 62,626 31,313 93,940 46,970 23,485 70,456 35,228 17,614 8,807

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