λ
Sigma Notebook

1,961,767

1961767
Deficient Odd Prime

1,961,767 is odd and not a perfect square. Its factorization is 1961767 and its 2 divisors sum to 1,961,768.

Prime Factor Structure

Factorization String 1961767
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,961,768
Proper Divisor Sum 1
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #1961759 ← → #1961797

Radix Representation

Decimal 1961767
Binary 111011110111100100111 (21 bits)
Octal 0o7367447
Hexadecimal 0x1DEF27

Divisor Catalog (2)

Collatz Trajectory (78 steps to reach 1)

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

1,961,767 5,885,302 2,942,651 8,827,954 4,413,977 13,241,932 6,620,966 3,310,483 9,931,450 4,965,725 14,897,176 7,448,588 3,724,294 1,862,147 5,586,442 2,793,221 8,379,664 4,189,832 2,094,916 1,047,458 523,729 1,571,188 785,594 392,797 1,178,392 589,196 294,598 147,299 441,898 220,949 662,848 331,424 165,712 82,856 41,428 20,714 10,357 31,072 15,536 7,768 3,884 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58

More profiles

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