λ
Sequence Observatory

4,281,759

32 × 475751
Deficient Odd Composite

Starting at 4,281,759, the Collatz iteration reaches 1 after 97 steps. The first transition is 12845278; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 475751
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 6,184,776
Proper Divisor Sum 1,903,017
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #4281757 ← → #4281779

Radix Representation

Decimal 4281759
Binary 10000010101010110011111 (23 bits)
Octal 0o20252637
Hexadecimal 0x41559F

Divisor Catalog (6)

1 3 9 475,751 1,427,253 4,281,759

Collatz Trajectory (97 steps to reach 1)

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

4,281,759 12,845,278 6,422,639 19,267,918 9,633,959 28,901,878 14,450,939 43,352,818 21,676,409 65,029,228 32,514,614 16,257,307 48,771,922 24,385,961 73,157,884 36,578,942 18,289,471 54,868,414 27,434,207 82,302,622 41,151,311 123,453,934 61,726,967 185,180,902 92,590,451 277,771,354 138,885,677 416,657,032 208,328,516 104,164,258 52,082,129 156,246,388 78,123,194 39,061,597 117,184,792 58,592,396 29,296,198 14,648,099 43,944,298 21,972,149 65,916,448 32,958,224 16,479,112 8,239,556 4,119,778 2,059,889 6,179,668 3,089,834 1,544,917 4,634,752 2,317,376 1,158,688 579,344 289,672 144,836 72,418 36,209 108,628 54,314 27,157

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