λ
Sequence Observatory

8,715,848

23 × 1089481
Deficient Even Composite

Starting at 8,715,848, the Collatz iteration reaches 1 after 243 steps. The first transition is 4357924; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 1089481
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 16,342,230
Proper Divisor Sum 7,626,382
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #8715841 ← → #8715877

Radix Representation

Decimal 8715848
Binary 100001001111111001001000 (24 bits)
Octal 0o41177110
Hexadecimal 0x84FE48

Divisor Catalog (8)

1 2 4 8 1,089,481 2,178,962 4,357,924 8,715,848

Collatz Trajectory (243 steps to reach 1)

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

8,715,848 4,357,924 2,178,962 1,089,481 3,268,444 1,634,222 817,111 2,451,334 1,225,667 3,677,002 1,838,501 5,515,504 2,757,752 1,378,876 689,438 344,719 1,034,158 517,079 1,551,238 775,619 2,326,858 1,163,429 3,490,288 1,745,144 872,572 436,286 218,143 654,430 327,215 981,646 490,823 1,472,470 736,235 2,208,706 1,104,353 3,313,060 1,656,530 828,265 2,484,796 1,242,398 621,199 1,863,598 931,799 2,795,398 1,397,699 4,193,098 2,096,549 6,289,648 3,144,824 1,572,412 786,206 393,103 1,179,310 589,655 1,768,966 884,483 2,653,450 1,326,725 3,980,176 1,990,088

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