λ
Sequence Observatory

262,822

2 × 7 × 18773
Deficient Even Composite

Starting at 262,822, the Collatz iteration reaches 1 after 101 steps. The first transition is 131411; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 18773
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 450,576
Proper Divisor Sum 187,754
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #262819 ← → #262853

Radix Representation

Decimal 262822
Binary 1000000001010100110 (19 bits)
Octal 0o1001246
Hexadecimal 0x402A6

Divisor Catalog (8)

1 2 7 14 18,773 37,546 131,411 262,822

Collatz Trajectory (101 steps to reach 1)

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

262,822 131,411 394,234 197,117 591,352 295,676 147,838 73,919 221,758 110,879 332,638 166,319 498,958 249,479 748,438 374,219 1,122,658 561,329 1,683,988 841,994 420,997 1,262,992 631,496 315,748 157,874 78,937 236,812 118,406 59,203 177,610 88,805 266,416 133,208 66,604 33,302 16,651 49,954 24,977 74,932 37,466 18,733 56,200 28,100 14,050 7,025 21,076 10,538 5,269 15,808 7,904 3,952 1,976 988 494 247 742 371 1,114 557 1,672

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