λ
Sequence Observatory

2,405,030

2 × 5 × 240503
Deficient Even Composite

Starting at 2,405,030, the Collatz iteration reaches 1 after 73 steps. The first transition is 1202515; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 240503
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,329,072
Proper Divisor Sum 1,924,042
Digit Sum / Digital Root 14 (Root: 5)
Adjacent Primes #2405027 ← → #2405063

Radix Representation

Decimal 2405030
Binary 1001001011001010100110 (22 bits)
Octal 0o11131246
Hexadecimal 0x24B2A6

Divisor Catalog (8)

1 2 5 10 240,503 481,006 1,202,515 2,405,030

Collatz Trajectory (73 steps to reach 1)

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

2,405,030 1,202,515 3,607,546 1,803,773 5,411,320 2,705,660 1,352,830 676,415 2,029,246 1,014,623 3,043,870 1,521,935 4,565,806 2,282,903 6,848,710 3,424,355 10,273,066 5,136,533 15,409,600 7,704,800 3,852,400 1,926,200 963,100 481,550 240,775 722,326 361,163 1,083,490 541,745 1,625,236 812,618 406,309 1,218,928 609,464 304,732 152,366 76,183 228,550 114,275 342,826 171,413 514,240 257,120 128,560 64,280 32,140 16,070 8,035 24,106 12,053 36,160 18,080 9,040 4,520 2,260 1,130 565 1,696 848 424

More profiles

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