8,573,999

7 × 1224857

Starting at 8,573,999, the Collatz iteration reaches 1 after 199 steps. The first transition is 25721998; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 1224857

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 9,798,864

Proper Divisor Sum 1,224,865

Digit Sum / Digital Root 50 (Root: 5)

Adjacent Primes #8573987 ← → #8574019

Radix Representation

Decimal	8573999
Binary	100000101101010000101111 (24 bits)
Octal	0o40552057
Hexadecimal	0x82D42F

Divisor Catalog (4)

1 7 1,224,857 8,573,999

Collatz Trajectory (199 steps to reach 1)

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

8,573,999 25,721,998 12,860,999 38,582,998 19,291,499 57,874,498 28,937,249 86,811,748 43,405,874 21,702,937 65,108,812 32,554,406 16,277,203 48,831,610 24,415,805 73,247,416 36,623,708 18,311,854 9,155,927 27,467,782 13,733,891 41,201,674 20,600,837 61,802,512 30,901,256 15,450,628 7,725,314 3,862,657 11,587,972 5,793,986 2,896,993 8,690,980 4,345,490 2,172,745 6,518,236 3,259,118 1,629,559 4,888,678 2,444,339 7,333,018 3,666,509 10,999,528 5,499,764 2,749,882 1,374,941 4,124,824 2,062,412 1,031,206 515,603 1,546,810 773,405 2,320,216 1,160,108 580,054 290,027 870,082 435,041 1,305,124 652,562 326,281

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