λ
Sequence Observatory

4,679,652

22 × 3 × 389971
Abundant Even Composite

Starting at 4,679,652, the Collatz iteration reaches 1 after 180 steps. The first transition is 2339826; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 389971
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 10,919,216
Proper Divisor Sum 6,239,564
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #4679651 ← → #4679657

Radix Representation

Decimal 4679652
Binary 10001110110011111100100 (23 bits)
Octal 0o21663744
Hexadecimal 0x4767E4

Divisor Catalog (12)

1 2 3 4 6 12 389,971 779,942 1,169,913 1,559,884 2,339,826 4,679,652

Collatz Trajectory (180 steps to reach 1)

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

4,679,652 2,339,826 1,169,913 3,509,740 1,754,870 877,435 2,632,306 1,316,153 3,948,460 1,974,230 987,115 2,961,346 1,480,673 4,442,020 2,221,010 1,110,505 3,331,516 1,665,758 832,879 2,498,638 1,249,319 3,747,958 1,873,979 5,621,938 2,810,969 8,432,908 4,216,454 2,108,227 6,324,682 3,162,341 9,487,024 4,743,512 2,371,756 1,185,878 592,939 1,778,818 889,409 2,668,228 1,334,114 667,057 2,001,172 1,000,586 500,293 1,500,880 750,440 375,220 187,610 93,805 281,416 140,708 70,354 35,177 105,532 52,766 26,383 79,150 39,575 118,726 59,363 178,090

More profiles

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