λ
Sequence Observatory

4,248,841

503 × 8447
Deficient Odd Composite

Starting at 4,248,841, the Collatz iteration reaches 1 after 260 steps. The first transition is 12746524; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 503 × 8447
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,257,792
Proper Divisor Sum 8,951
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #4248823 ← → #4248869

Radix Representation

Decimal 4248841
Binary 10000001101010100001001 (23 bits)
Octal 0o20152411
Hexadecimal 0x40D509

Divisor Catalog (4)

1 503 8,447 4,248,841

Collatz Trajectory (260 steps to reach 1)

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

4,248,841 12,746,524 6,373,262 3,186,631 9,559,894 4,779,947 14,339,842 7,169,921 21,509,764 10,754,882 5,377,441 16,132,324 8,066,162 4,033,081 12,099,244 6,049,622 3,024,811 9,074,434 4,537,217 13,611,652 6,805,826 3,402,913 10,208,740 5,104,370 2,552,185 7,656,556 3,828,278 1,914,139 5,742,418 2,871,209 8,613,628 4,306,814 2,153,407 6,460,222 3,230,111 9,690,334 4,845,167 14,535,502 7,267,751 21,803,254 10,901,627 32,704,882 16,352,441 49,057,324 24,528,662 12,264,331 36,792,994 18,396,497 55,189,492 27,594,746 13,797,373 41,392,120 20,696,060 10,348,030 5,174,015 15,522,046 7,761,023 23,283,070 11,641,535 34,924,606

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