4,211,398

2 × 2105699

Starting at 4,211,398, the Collatz iteration reaches 1 after 273 steps. The first transition is 2105699; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2105699

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,317,100

Proper Divisor Sum 2,105,702

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4211387 ← → #4211399

Radix Representation

Decimal	4211398
Binary	10000000100001011000110 (23 bits)
Octal	0o20041306
Hexadecimal	0x4042C6

Divisor Catalog (4)

1 2 2,105,699 4,211,398

Collatz Trajectory (273 steps to reach 1)

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

4,211,398 2,105,699 6,317,098 3,158,549 9,475,648 4,737,824 2,368,912 1,184,456 592,228 296,114 148,057 444,172 222,086 111,043 333,130 166,565 499,696 249,848 124,924 62,462 31,231 93,694 46,847 140,542 70,271 210,814 105,407 316,222 158,111 474,334 237,167 711,502 355,751 1,067,254 533,627 1,600,882 800,441 2,401,324 1,200,662 600,331 1,800,994 900,497 2,701,492 1,350,746 675,373 2,026,120 1,013,060 506,530 253,265 759,796 379,898 189,949 569,848 284,924 142,462 71,231 213,694 106,847 320,542 160,271

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