λ
Prime Ledger

1,601,813

1601813
Deficient Odd Prime

1,601,813 has the prime decomposition 1601813. Its 1 distinct prime factor produce 2 positive divisors.

Prime Factor Structure

Factorization String 1601813
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,601,814
Proper Divisor Sum 1
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #1601797 ← → #1601843

Radix Representation

Decimal 1601813
Binary 110000111000100010101 (21 bits)
Octal 0o6070425
Hexadecimal 0x187115

Divisor Catalog (2)

Collatz Trajectory (93 steps to reach 1)

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

1,601,813 4,805,440 2,402,720 1,201,360 600,680 300,340 150,170 75,085 225,256 112,628 56,314 28,157 84,472 42,236 21,118 10,559 31,678 15,839 47,518 23,759 71,278 35,639 106,918 53,459 160,378 80,189 240,568 120,284 60,142 30,071 90,214 45,107 135,322 67,661 202,984 101,492 50,746 25,373 76,120 38,060 19,030 9,515 28,546 14,273 42,820 21,410 10,705 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034 4,517 13,552 6,776 3,388 1,694

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