17614
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 26424
- Proper Divisor Sum (Aliquot Sum)
- 8810
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 8806
- Möbius Function
- 1
- Radical
- 17614
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 79
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Numerators of continued fraction convergents to sqrt(556).at n=10A042064
- Leading term of n-th row of A081491.at n=38A081490
- Starting positions of strings of three 3's in the decimal expansion of Pi.at n=8A083610
- Numbers n such that p(10n) is prime, where p(n) is the number of partitions of n.at n=26A114170
- Number of (n+2)X3 binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals.at n=5A203348
- Number of (n+2)X8 binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals.at n=0A203353
- T(n,k) = Number of (n+2) X (k+2) binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals.at n=15A203355
- T(n,k) = Number of (n+2) X (k+2) binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals.at n=20A203355
- Numbers k such that the periodic part of the continued fraction of sqrt(k) has more ones than any smaller k.at n=32A206579
- Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal or vertical neighbor, and containing the value n(n+1)/2-2.at n=18A211905
- Least k such that binomial(k, 2) >= binomial(2*n, n).at n=15A270440
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 435", based on the 5-celled von Neumann neighborhood.at n=28A272151
- Number of integer partitions of n whose run-lengths are neither weakly increasing nor weakly decreasing.at n=39A332641
- Maximum number of connections for a 2 X n rectangle.at n=14A379241
- The total length of the sequence when starting from n and creating the smallest unused prime number by either removing or adding a single digit anywhere in the value of the previous number. If the sequence does not terminate, a(n) = -1.at n=5A389927