λ
Sequence Observatory

9,738,478

2 × 4869239
Deficient Even Composite

Starting at 9,738,478, the Collatz iteration reaches 1 after 225 steps. The first transition is 4869239; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4869239
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 14,607,720
Proper Divisor Sum 4,869,242
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #9738451 ← → #9738493

Radix Representation

Decimal 9738478
Binary 100101001001100011101110 (24 bits)
Octal 0o45114356
Hexadecimal 0x9498EE

Divisor Catalog (4)

1 2 4,869,239 9,738,478

Collatz Trajectory (225 steps to reach 1)

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

9,738,478 4,869,239 14,607,718 7,303,859 21,911,578 10,955,789 32,867,368 16,433,684 8,216,842 4,108,421 12,325,264 6,162,632 3,081,316 1,540,658 770,329 2,310,988 1,155,494 577,747 1,733,242 866,621 2,599,864 1,299,932 649,966 324,983 974,950 487,475 1,462,426 731,213 2,193,640 1,096,820 548,410 274,205 822,616 411,308 205,654 102,827 308,482 154,241 462,724 231,362 115,681 347,044 173,522 86,761 260,284 130,142 65,071 195,214 97,607 292,822 146,411 439,234 219,617 658,852 329,426 164,713 494,140 247,070 123,535 370,606

More profiles

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