2,503,444

2² × 625861

Starting at 2,503,444, the Collatz iteration reaches 1 after 81 steps. The first transition is 1251722; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 625861

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 4,381,034

Proper Divisor Sum 1,877,590

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #2503439 ← → #2503453

Radix Representation

Decimal	2503444
Binary	1001100011001100010100 (22 bits)
Octal	0o11431424
Hexadecimal	0x263314

Divisor Catalog (6)

1 2 4 625,861 1,251,722 2,503,444

Collatz Trajectory (81 steps to reach 1)

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

2,503,444 1,251,722 625,861 1,877,584 938,792 469,396 234,698 117,349 352,048 176,024 88,012 44,006 22,003 66,010 33,005 99,016 49,508 24,754 12,377 37,132 18,566 9,283 27,850 13,925 41,776 20,888 10,444 5,222 2,611 7,834 3,917 11,752 5,876 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74

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