1,939,961

1939961

Starting at 1,939,961, the Collatz iteration reaches 1 after 215 steps. The first transition is 5819884; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1939961

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,939,962

Proper Divisor Sum 1

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1939939 ← → #1939967

Radix Representation

Decimal	1939961
Binary	111011001100111111001 (21 bits)
Octal	0o7314771
Hexadecimal	0x1D99F9

Divisor Catalog (2)

1 1,939,961

Collatz Trajectory (215 steps to reach 1)

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

1,939,961 5,819,884 2,909,942 1,454,971 4,364,914 2,182,457 6,547,372 3,273,686 1,636,843 4,910,530 2,455,265 7,365,796 3,682,898 1,841,449 5,524,348 2,762,174 1,381,087 4,143,262 2,071,631 6,214,894 3,107,447 9,322,342 4,661,171 13,983,514 6,991,757 20,975,272 10,487,636 5,243,818 2,621,909 7,865,728 3,932,864 1,966,432 983,216 491,608 245,804 122,902 61,451 184,354 92,177 276,532 138,266 69,133 207,400 103,700 51,850 25,925 77,776 38,888 19,444 9,722 4,861 14,584 7,292 3,646 1,823 5,470 2,735 8,206 4,103 12,310

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