1,222,090

2 × 5 × 122209

Starting at 1,222,090, the Collatz iteration reaches 1 after 160 steps. The first transition is 611045; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 122209

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,199,780

Proper Divisor Sum 977,690

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1222063 ← → #1222097

Radix Representation

Decimal	1222090
Binary	100101010010111001010 (21 bits)
Octal	0o4522712
Hexadecimal	0x12A5CA

Divisor Catalog (8)

1 2 5 10 122,209 244,418 611,045 1,222,090

Collatz Trajectory (160 steps to reach 1)

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

1,222,090 611,045 1,833,136 916,568 458,284 229,142 114,571 343,714 171,857 515,572 257,786 128,893 386,680 193,340 96,670 48,335 145,006 72,503 217,510 108,755 326,266 163,133 489,400 244,700 122,350 61,175 183,526 91,763 275,290 137,645 412,936 206,468 103,234 51,617 154,852 77,426 38,713 116,140 58,070 29,035 87,106 43,553 130,660 65,330 32,665 97,996 48,998 24,499 73,498 36,749 110,248 55,124 27,562 13,781 41,344 20,672 10,336 5,168 2,584 1,292

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