λ
Sequence Observatory

435,954

2 × 3 × 113 × 643
Abundant Even Composite

Starting at 435,954, the Collatz iteration reaches 1 after 81 steps. The first transition is 217977; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 113 × 643
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 880,992
Proper Divisor Sum 445,038
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #435949 ← → #435973

Radix Representation

Decimal 435954
Binary 1101010011011110010 (19 bits)
Octal 0o1523362
Hexadecimal 0x6A6F2

Divisor Catalog (16)

1 2 3 6 113 226 339 643 678 1,286 1,929 3,858 72,659 145,318 217,977 435,954

Collatz Trajectory (81 steps to reach 1)

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

435,954 217,977 653,932 326,966 163,483 490,450 245,225 735,676 367,838 183,919 551,758 275,879 827,638 413,819 1,241,458 620,729 1,862,188 931,094 465,547 1,396,642 698,321 2,094,964 1,047,482 523,741 1,571,224 785,612 392,806 196,403 589,210 294,605 883,816 441,908 220,954 110,477 331,432 165,716 82,858 41,429 124,288 62,144 31,072 15,536 7,768 3,884 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77

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