1,212,027

3 × 404009

Starting at 1,212,027, the Collatz iteration reaches 1 after 111 steps. The first transition is 3636082; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 404009

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,616,040

Proper Divisor Sum 404,013

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #1212023 ← → #1212047

Radix Representation

Decimal	1212027
Binary	100100111111001111011 (21 bits)
Octal	0o4477173
Hexadecimal	0x127E7B

Divisor Catalog (4)

1 3 404,009 1,212,027

Collatz Trajectory (111 steps to reach 1)

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

1,212,027 3,636,082 1,818,041 5,454,124 2,727,062 1,363,531 4,090,594 2,045,297 6,135,892 3,067,946 1,533,973 4,601,920 2,300,960 1,150,480 575,240 287,620 143,810 71,905 215,716 107,858 53,929 161,788 80,894 40,447 121,342 60,671 182,014 91,007 273,022 136,511 409,534 204,767 614,302 307,151 921,454 460,727 1,382,182 691,091 2,073,274 1,036,637 3,109,912 1,554,956 777,478 388,739 1,166,218 583,109 1,749,328 874,664 437,332 218,666 109,333 328,000 164,000 82,000 41,000 20,500 10,250 5,125 15,376 7,688

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