λ
Integer Codex

1,287,701

23 × 55987
Deficient Odd Composite

For 1,287,701, the 4 positive divisors have a total of 1,343,712. Removing 1,287,701 leaves 56,011, which gives the deficient classification.

Prime Factor Structure

Factorization String 23 × 55987
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,343,712
Proper Divisor Sum 56,011
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1287697 ← → #1287707

Radix Representation

Decimal 1287701
Binary 100111010011000010101 (21 bits)
Octal 0o4723025
Hexadecimal 0x13A615

Divisor Catalog (4)

1 23 55,987 1,287,701

Collatz Trajectory (155 steps to reach 1)

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

1,287,701 3,863,104 1,931,552 965,776 482,888 241,444 120,722 60,361 181,084 90,542 45,271 135,814 67,907 203,722 101,861 305,584 152,792 76,396 38,198 19,099 57,298 28,649 85,948 42,974 21,487 64,462 32,231 96,694 48,347 145,042 72,521 217,564 108,782 54,391 163,174 81,587 244,762 122,381 367,144 183,572 91,786 45,893 137,680 68,840 34,420 17,210 8,605 25,816 12,908 6,454 3,227 9,682 4,841 14,524 7,262 3,631 10,894 5,447 16,342 8,171

More profiles

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