9,971,861

9971861

Starting at 9,971,861, the Collatz iteration reaches 1 after 251 steps. The first transition is 29915584; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 9971861

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 9,971,862

Proper Divisor Sum 1

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #9971839 ← → #9971881

Radix Representation

Decimal	9971861
Binary	100110000010100010010101 (24 bits)
Octal	0o46024225
Hexadecimal	0x982895

Divisor Catalog (2)

1 9,971,861

Collatz Trajectory (251 steps to reach 1)

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

9,971,861 29,915,584 14,957,792 7,478,896 3,739,448 1,869,724 934,862 467,431 1,402,294 701,147 2,103,442 1,051,721 3,155,164 1,577,582 788,791 2,366,374 1,183,187 3,549,562 1,774,781 5,324,344 2,662,172 1,331,086 665,543 1,996,630 998,315 2,994,946 1,497,473 4,492,420 2,246,210 1,123,105 3,369,316 1,684,658 842,329 2,526,988 1,263,494 631,747 1,895,242 947,621 2,842,864 1,421,432 710,716 355,358 177,679 533,038 266,519 799,558 399,779 1,199,338 599,669 1,799,008 899,504 449,752 224,876 112,438 56,219 168,658 84,329 252,988 126,494 63,247

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