2,118,448

2⁴ × 132403

Starting at 2,118,448, the Collatz iteration reaches 1 after 104 steps. The first transition is 1059224; the starting value is even with 10 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 132403

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 10

Divisor Sum (σ) 4,104,524

Proper Divisor Sum 1,986,076

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2118437 ← → #2118449

Radix Representation

Decimal	2118448
Binary	1000000101001100110000 (22 bits)
Octal	0o10051460
Hexadecimal	0x205330

Divisor Catalog (10)

1 2 4 8 16 132,403 264,806 529,612 1,059,224 2,118,448

Collatz Trajectory (104 steps to reach 1)

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

2,118,448 1,059,224 529,612 264,806 132,403 397,210 198,605 595,816 297,908 148,954 74,477 223,432 111,716 55,858 27,929 83,788 41,894 20,947 62,842 31,421 94,264 47,132 23,566 11,783 35,350 17,675 53,026 26,513 79,540 39,770 19,885 59,656 29,828 14,914 7,457 22,372 11,186 5,593 16,780 8,390 4,195 12,586 6,293 18,880 9,440 4,720 2,360 1,180 590 295 886 443 1,330 665 1,996 998 499 1,498 749 2,248

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