1,098,562

2 × 549281

Starting at 1,098,562, the Collatz iteration reaches 1 after 240 steps. The first transition is 549281; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 549281

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,647,846

Proper Divisor Sum 549,284

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1098541 ← → #1098593

Radix Representation

Decimal	1098562
Binary	100001100001101000010 (21 bits)
Octal	0o4141502
Hexadecimal	0x10C342

Divisor Catalog (4)

1 2 549,281 1,098,562

Collatz Trajectory (240 steps to reach 1)

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

1,098,562 549,281 1,647,844 823,922 411,961 1,235,884 617,942 308,971 926,914 463,457 1,390,372 695,186 347,593 1,042,780 521,390 260,695 782,086 391,043 1,173,130 586,565 1,759,696 879,848 439,924 219,962 109,981 329,944 164,972 82,486 41,243 123,730 61,865 185,596 92,798 46,399 139,198 69,599 208,798 104,399 313,198 156,599 469,798 234,899 704,698 352,349 1,057,048 528,524 264,262 132,131 396,394 198,197 594,592 297,296 148,648 74,324 37,162 18,581 55,744 27,872 13,936 6,968

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