1,221,482

2 × 610741

Starting at 1,221,482, the Collatz iteration reaches 1 after 98 steps. The first transition is 610741; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 610741

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,832,226

Proper Divisor Sum 610,744

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1221469 ← → #1221499

Radix Representation

Decimal	1221482
Binary	100101010001101101010 (21 bits)
Octal	0o4521552
Hexadecimal	0x12A36A

Divisor Catalog (4)

1 2 610,741 1,221,482

Collatz Trajectory (98 steps to reach 1)

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

1,221,482 610,741 1,832,224 916,112 458,056 229,028 114,514 57,257 171,772 85,886 42,943 128,830 64,415 193,246 96,623 289,870 144,935 434,806 217,403 652,210 326,105 978,316 489,158 244,579 733,738 366,869 1,100,608 550,304 275,152 137,576 68,788 34,394 17,197 51,592 25,796 12,898 6,449 19,348 9,674 4,837 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295

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