λ
Prime Ledger

1,240,517

1240517
Deficient Odd Prime

1,240,517 has the prime decomposition 1240517. Its 1 distinct prime factor produce 2 positive divisors.

Prime Factor Structure

Factorization String 1240517
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,240,518
Proper Divisor Sum 1
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #1240511 ← → #1240523

Radix Representation

Decimal 1240517
Binary 100101110110111000101 (21 bits)
Octal 0o4566705
Hexadecimal 0x12EDC5

Divisor Catalog (2)

1 1,240,517

Collatz Trajectory (67 steps to reach 1)

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

1,240,517 3,721,552 1,860,776 930,388 465,194 232,597 697,792 348,896 174,448 87,224 43,612 21,806 10,903 32,710 16,355 49,066 24,533 73,600 36,800 18,400 9,200 4,600 2,300 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40

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