λ
Sequence Observatory

3,572,258

2 × 1786129
Deficient Even Composite

Starting at 3,572,258, the Collatz iteration reaches 1 after 71 steps. The first transition is 1786129; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1786129
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,358,390
Proper Divisor Sum 1,786,132
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3572243 ← → #3572267

Radix Representation

Decimal 3572258
Binary 1101101000001000100010 (22 bits)
Octal 0o15501042
Hexadecimal 0x368222

Divisor Catalog (4)

1 2 1,786,129 3,572,258

Collatz Trajectory (71 steps to reach 1)

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

3,572,258 1,786,129 5,358,388 2,679,194 1,339,597 4,018,792 2,009,396 1,004,698 502,349 1,507,048 753,524 376,762 188,381 565,144 282,572 141,286 70,643 211,930 105,965 317,896 158,948 79,474 39,737 119,212 59,606 29,803 89,410 44,705 134,116 67,058 33,529 100,588 50,294 25,147 75,442 37,721 113,164 56,582 28,291 84,874 42,437 127,312 63,656 31,828 15,914 7,957 23,872 11,936 5,968 2,984 1,492 746 373 1,120 560 280 140 70 35 106

More profiles

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