5963
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 6120
- Proper Divisor Sum (Aliquot Sum)
- 157
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5808
- Möbius Function
- 1
- Radical
- 5963
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 49
- 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
- no
- Odd
- yes
Appears in sequences
- Number of nodes in regular n-gon with all diagonals drawn.at n=21A007569
- Pseudoprimes to base 22.at n=31A020150
- Pseudoprimes to base 45.at n=34A020173
- Pseudoprimes to base 91.at n=39A020219
- Strong pseudoprimes to base 64.at n=24A020290
- Strong pseudoprimes to base 91.at n=10A020317
- Shifts left 2 places under "BGK" (reversible, element, unlabeled) transform.at n=17A032067
- Numbers k such that 177*2^k+1 is prime.at n=42A032465
- a(n) = (3*n+1)*(4*n+1).at n=22A033577
- Schoenheim bound L_1(n,7,6).at n=13A036834
- n-th 4k+1 prime times n-th 4k-1 prime.at n=9A048630
- Sum of numbers in n-th upward diagonal of triangle in A079826.at n=33A079825
- Sum of smallest parts (counted with multiplicity) of all partitions of n.at n=22A092309
- Records in A007535.at n=19A098654
- One seventh of the sum of the first n primes, when an integer.at n=18A112272
- Numbers k such that k and k^2 use only the digits 3, 5, 6, 7 and 9.at n=4A137133
- Numbers k such that A144264(k) = A144264(k+1).at n=11A144359
- Integer averages of the set of the first positive squares up to some n^2.at n=44A164576
- Sequence by greedy construction satisfying Lucier-Sárközy difference set condition.at n=44A174911
- Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.at n=7A197666