990,998

2 × 17 × 29147

Starting at 990,998, the Collatz iteration reaches 1 after 196 steps. The first transition is 495499; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 17 × 29147

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,573,992

Proper Divisor Sum 582,994

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #990989 ← → #991009

Radix Representation

Decimal	990998
Binary	11110001111100010110 (20 bits)
Octal	0o3617426
Hexadecimal	0xF1F16

Divisor Catalog (8)

1 2 17 34 29,147 58,294 495,499 990,998

Collatz Trajectory (196 steps to reach 1)

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

990,998 495,499 1,486,498 743,249 2,229,748 1,114,874 557,437 1,672,312 836,156 418,078 209,039 627,118 313,559 940,678 470,339 1,411,018 705,509 2,116,528 1,058,264 529,132 264,566 132,283 396,850 198,425 595,276 297,638 148,819 446,458 223,229 669,688 334,844 167,422 83,711 251,134 125,567 376,702 188,351 565,054 282,527 847,582 423,791 1,271,374 635,687 1,907,062 953,531 2,860,594 1,430,297 4,290,892 2,145,446 1,072,723 3,218,170 1,609,085 4,827,256 2,413,628 1,206,814 603,407 1,810,222 905,111 2,715,334 1,357,667

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