2,669,618

2 × 7² × 27241

Starting at 2,669,618, the Collatz iteration reaches 1 after 50 steps. The first transition is 1334809; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 7^2 × 27241

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,658,382

Proper Divisor Sum 1,988,764

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #2669603 ← → #2669659

Radix Representation

Decimal	2669618
Binary	1010001011110000110010 (22 bits)
Octal	0o12136062
Hexadecimal	0x28BC32

Divisor Catalog (12)

1 2 7 14 49 98 27,241 54,482 190,687 381,374 1,334,809 2,669,618

Collatz Trajectory (50 steps to reach 1)

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

2,669,618 1,334,809 4,004,428 2,002,214 1,001,107 3,003,322 1,501,661 4,504,984 2,252,492 1,126,246 563,123 1,689,370 844,685 2,534,056 1,267,028 633,514 316,757 950,272 475,136 237,568 118,784 59,392 29,696 14,848 7,424 3,712 1,856 928 464 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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