λ
Sequence Observatory

3,979,501

312 × 41 × 101
Deficient Odd Composite

Starting at 3,979,501, the Collatz iteration reaches 1 after 66 steps. The first transition is 11938504; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 31^2 × 41 × 101
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 4,254,012
Proper Divisor Sum 274,511
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #3979499 ← → #3979511

Radix Representation

Decimal 3979501
Binary 1111001011100011101101 (22 bits)
Octal 0o17134355
Hexadecimal 0x3CB8ED

Divisor Catalog (12)

1 31 41 101 961 1,271 3,131 4,141 39,401 97,061 128,371 3,979,501

Collatz Trajectory (66 steps to reach 1)

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

3,979,501 11,938,504 5,969,252 2,984,626 1,492,313 4,476,940 2,238,470 1,119,235 3,357,706 1,678,853 5,036,560 2,518,280 1,259,140 629,570 314,785 944,356 472,178 236,089 708,268 354,134 177,067 531,202 265,601 796,804 398,402 199,201 597,604 298,802 149,401 448,204 224,102 112,051 336,154 168,077 504,232 252,116 126,058 63,029 189,088 94,544 47,272 23,636 11,818 5,909 17,728 8,864 4,432 2,216 1,108 554 277 832 416 208 104 52 26 13 40 20

More profiles

← Previous Integer #3,979,500 Browse Full Index Next Integer #3,979,502 →