8,578,705

5 × 1715741

Starting at 8,578,705, the Collatz iteration reaches 1 after 150 steps. The first transition is 25736116; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1715741

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 10,294,452

Proper Divisor Sum 1,715,747

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #8578699 ← → #8578711

Radix Representation

Decimal	8578705
Binary	100000101110011010010001 (24 bits)
Octal	0o40563221
Hexadecimal	0x82E691

Divisor Catalog (4)

1 5 1,715,741 8,578,705

Collatz Trajectory (150 steps to reach 1)

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

8,578,705 25,736,116 12,868,058 6,434,029 19,302,088 9,651,044 4,825,522 2,412,761 7,238,284 3,619,142 1,809,571 5,428,714 2,714,357 8,143,072 4,071,536 2,035,768 1,017,884 508,942 254,471 763,414 381,707 1,145,122 572,561 1,717,684 858,842 429,421 1,288,264 644,132 322,066 161,033 483,100 241,550 120,775 362,326 181,163 543,490 271,745 815,236 407,618 203,809 611,428 305,714 152,857 458,572 229,286 114,643 343,930 171,965 515,896 257,948 128,974 64,487 193,462 96,731 290,194 145,097 435,292 217,646 108,823 326,470

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