λ
Sequence Observatory

3,926,676

22 × 3 × 13 × 25171
Abundant Even Composite

Starting at 3,926,676, the Collatz iteration reaches 1 after 198 steps. The first transition is 1963338; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 25171
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 9,867,424
Proper Divisor Sum 5,940,748
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #3926651 ← → #3926707

Radix Representation

Decimal 3926676
Binary 1110111110101010010100 (22 bits)
Octal 0o16765224
Hexadecimal 0x3BEA94

Divisor Catalog (24)

1 2 3 4 6 12 13 26 39 52 78 156 25,171 50,342 75,513 100,684 151,026 302,052 327,223 654,446 981,669 1,308,892 1,963,338 3,926,676

Collatz Trajectory (198 steps to reach 1)

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

3,926,676 1,963,338 981,669 2,945,008 1,472,504 736,252 368,126 184,063 552,190 276,095 828,286 414,143 1,242,430 621,215 1,863,646 931,823 2,795,470 1,397,735 4,193,206 2,096,603 6,289,810 3,144,905 9,434,716 4,717,358 2,358,679 7,076,038 3,538,019 10,614,058 5,307,029 15,921,088 7,960,544 3,980,272 1,990,136 995,068 497,534 248,767 746,302 373,151 1,119,454 559,727 1,679,182 839,591 2,518,774 1,259,387 3,778,162 1,889,081 5,667,244 2,833,622 1,416,811 4,250,434 2,125,217 6,375,652 3,187,826 1,593,913 4,781,740 2,390,870 1,195,435 3,586,306 1,793,153 5,379,460

More profiles

← Previous Integer #3,926,675 Browse Full Index Next Integer #3,926,677 →