λ
Integer Codex

7,220,691

33 × 267433
Deficient Odd Composite

For 7,220,691, the 8 positive divisors have a total of 10,697,360. Removing 7,220,691 leaves 3,476,669, which gives the deficient classification.

Prime Factor Structure

Factorization String 3^3 × 267433
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,697,360
Proper Divisor Sum 3,476,669
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #7220677 ← → #7220693

Radix Representation

Decimal 7220691
Binary 11011100010110111010011 (23 bits)
Octal 0o33426723
Hexadecimal 0x6E2DD3

Divisor Catalog (8)

1 3 9 27 267,433 802,299 2,406,897 7,220,691

Collatz Trajectory (191 steps to reach 1)

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

7,220,691 21,662,074 10,831,037 32,493,112 16,246,556 8,123,278 4,061,639 12,184,918 6,092,459 18,277,378 9,138,689 27,416,068 13,708,034 6,854,017 20,562,052 10,281,026 5,140,513 15,421,540 7,710,770 3,855,385 11,566,156 5,783,078 2,891,539 8,674,618 4,337,309 13,011,928 6,505,964 3,252,982 1,626,491 4,879,474 2,439,737 7,319,212 3,659,606 1,829,803 5,489,410 2,744,705 8,234,116 4,117,058 2,058,529 6,175,588 3,087,794 1,543,897 4,631,692 2,315,846 1,157,923 3,473,770 1,736,885 5,210,656 2,605,328 1,302,664 651,332 325,666 162,833 488,500 244,250 122,125 366,376 183,188 91,594 45,797

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