14057
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14058
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14056
- Möbius Function
- -1
- Radical
- 14057
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- 182
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1658
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 89.at n=16A020428
- Primes that remain prime through 3 iterations of function f(x) = 6x + 7.at n=11A023289
- Primes arising in A086498: a(n) = (2n)-th partial sum of A086498.at n=38A086499
- a(n) = r-th prime of the form (p-q)/(q-r) with r=prime(n+1), q=prime(n+2), and primes p > q.at n=59A089577
- Squares of the norms of Gaussian primes from A107629.at n=30A107630
- Terms in A112039 that are divisible by 3, divided by 3.at n=24A112040
- Largest number that is not the sum of four (2n+1)-gonal numbers.at n=6A118368
- Primes p such that 24*p-1, 24*p+1 and 30*p-1, 30*p+1 are twin primes.at n=4A138695
- Primes congruent to 35 mod 41.at n=36A142232
- Primes congruent to 39 mod 43.at n=41A142288
- Primes congruent to 4 mod 47.at n=32A142356
- Primes congruent to 43 mod 49.at n=40A142450
- Primes congruent to 12 mod 53.at n=35A142542
- Primes congruent to 32 mod 55.at n=39A142624
- Primes congruent to 15 mod 59.at n=25A142742
- Primes congruent to 27 mod 61.at n=25A142825
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (-1, 1, 0), (1, 0, 1), (1, 1, -1)}.at n=8A149403
- Primes of the form x^2 + 17*y^2, where x and y=x+1 are consecutive natural numbers.at n=6A176622
- Primes p such that p^3 = q//3 for a prime q, where "//" denotes concatenation.at n=37A176838
- Smallest emirp corresponding to A178585.at n=23A178586