λ
Sequence Observatory

4,284,055

5 × 856811
Deficient Odd Composite

Starting at 4,284,055, the Collatz iteration reaches 1 after 123 steps. The first transition is 12852166; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 856811
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,140,872
Proper Divisor Sum 856,817
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #4284041 ← → #4284061

Radix Representation

Decimal 4284055
Binary 10000010101111010010111 (23 bits)
Octal 0o20257227
Hexadecimal 0x415E97

Divisor Catalog (4)

1 5 856,811 4,284,055

Collatz Trajectory (123 steps to reach 1)

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

4,284,055 12,852,166 6,426,083 19,278,250 9,639,125 28,917,376 14,458,688 7,229,344 3,614,672 1,807,336 903,668 451,834 225,917 677,752 338,876 169,438 84,719 254,158 127,079 381,238 190,619 571,858 285,929 857,788 428,894 214,447 643,342 321,671 965,014 482,507 1,447,522 723,761 2,171,284 1,085,642 542,821 1,628,464 814,232 407,116 203,558 101,779 305,338 152,669 458,008 229,004 114,502 57,251 171,754 85,877 257,632 128,816 64,408 32,204 16,102 8,051 24,154 12,077 36,232 18,116 9,058 4,529

More profiles

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