1,393,831

1393831

Starting at 1,393,831, the Collatz iteration reaches 1 after 137 steps. The first transition is 4181494; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1393831

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,393,832

Proper Divisor Sum 1

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1393817 ← → #1393837

Radix Representation

Decimal	1393831
Binary	101010100010010100111 (21 bits)
Octal	0o5242247
Hexadecimal	0x1544A7

Divisor Catalog (2)

1 1,393,831

Collatz Trajectory (137 steps to reach 1)

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

1,393,831 4,181,494 2,090,747 6,272,242 3,136,121 9,408,364 4,704,182 2,352,091 7,056,274 3,528,137 10,584,412 5,292,206 2,646,103 7,938,310 3,969,155 11,907,466 5,953,733 17,861,200 8,930,600 4,465,300 2,232,650 1,116,325 3,348,976 1,674,488 837,244 418,622 209,311 627,934 313,967 941,902 470,951 1,412,854 706,427 2,119,282 1,059,641 3,178,924 1,589,462 794,731 2,384,194 1,192,097 3,576,292 1,788,146 894,073 2,682,220 1,341,110 670,555 2,011,666 1,005,833 3,017,500 1,508,750 754,375 2,263,126 1,131,563 3,394,690 1,697,345 5,092,036 2,546,018 1,273,009 3,819,028 1,909,514

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