1,394,421

3 × 7 × 23 × 2887

1,394,421 factors as 3 × 7 × 23 × 2887. Its 16 positive divisors give a proper-divisor sum of 823,563, so this integer is deficient. The Collatz stopping time is 137 steps.

Prime Factor Structure

Factorization String 3 × 7 × 23 × 2887

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,217,984

Proper Divisor Sum 823,563

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1394417 ← → #1394423

Radix Representation

Decimal	1394421
Binary	101010100011011110101 (21 bits)
Octal	0o5243365
Hexadecimal	0x1546F5

Divisor Catalog (16)

1 3 7 21 23 69 161 483 2,887 8,661 20,209 60,627 66,401 199,203 464,807 1,394,421

Collatz Trajectory (137 steps to reach 1)

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

1,394,421 4,183,264 2,091,632 1,045,816 522,908 261,454 130,727 392,182 196,091 588,274 294,137 882,412 441,206 220,603 661,810 330,905 992,716 496,358 248,179 744,538 372,269 1,116,808 558,404 279,202 139,601 418,804 209,402 104,701 314,104 157,052 78,526 39,263 117,790 58,895 176,686 88,343 265,030 132,515 397,546 198,773 596,320 298,160 149,080 74,540 37,270 18,635 55,906 27,953 83,860 41,930 20,965 62,896 31,448 15,724 7,862 3,931 11,794 5,897 17,692 8,846

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