λ
Sequence Observatory

2,319,771

3 × 139 × 5563
Deficient Odd Composite

Starting at 2,319,771, the Collatz iteration reaches 1 after 161 steps. The first transition is 6959314; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 139 × 5563
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,115,840
Proper Divisor Sum 796,069
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #2319763 ← → #2319787

Radix Representation

Decimal 2319771
Binary 1000110110010110011011 (22 bits)
Octal 0o10662633
Hexadecimal 0x23659B

Divisor Catalog (8)

1 3 139 417 5,563 16,689 773,257 2,319,771

Collatz Trajectory (161 steps to reach 1)

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

2,319,771 6,959,314 3,479,657 10,438,972 5,219,486 2,609,743 7,829,230 3,914,615 11,743,846 5,871,923 17,615,770 8,807,885 26,423,656 13,211,828 6,605,914 3,302,957 9,908,872 4,954,436 2,477,218 1,238,609 3,715,828 1,857,914 928,957 2,786,872 1,393,436 696,718 348,359 1,045,078 522,539 1,567,618 783,809 2,351,428 1,175,714 587,857 1,763,572 881,786 440,893 1,322,680 661,340 330,670 165,335 496,006 248,003 744,010 372,005 1,116,016 558,008 279,004 139,502 69,751 209,254 104,627 313,882 156,941 470,824 235,412 117,706 58,853 176,560 88,280

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