λ
Sequence Observatory

4,920,155

5 × 163 × 6037
Deficient Odd Composite

Starting at 4,920,155, the Collatz iteration reaches 1 after 449 steps. The first transition is 14760466; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 163 × 6037
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,941,392
Proper Divisor Sum 1,021,237
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #4920109 ← → #4920163

Radix Representation

Decimal 4920155
Binary 10010110001001101011011 (23 bits)
Octal 0o22611533
Hexadecimal 0x4B135B

Divisor Catalog (8)

1 5 163 815 6,037 30,185 984,031 4,920,155

Collatz Trajectory (449 steps to reach 1)

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

4,920,155 14,760,466 7,380,233 22,140,700 11,070,350 5,535,175 16,605,526 8,302,763 24,908,290 12,454,145 37,362,436 18,681,218 9,340,609 28,021,828 14,010,914 7,005,457 21,016,372 10,508,186 5,254,093 15,762,280 7,881,140 3,940,570 1,970,285 5,910,856 2,955,428 1,477,714 738,857 2,216,572 1,108,286 554,143 1,662,430 831,215 2,493,646 1,246,823 3,740,470 1,870,235 5,610,706 2,805,353 8,416,060 4,208,030 2,104,015 6,312,046 3,156,023 9,468,070 4,734,035 14,202,106 7,101,053 21,303,160 10,651,580 5,325,790 2,662,895 7,988,686 3,994,343 11,983,030 5,991,515 17,974,546 8,987,273 26,961,820 13,480,910 6,740,455

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