5324
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 10248
- Proper Divisor Sum (Aliquot Sum)
- 4924
- 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
- 2420
- Möbius Function
- 0
- Radical
- 22
- Omega Function (Ω)
- 5
- 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
- 54
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- yes
- Achilles Number
- yes
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Erroneous version of A173380.at n=9A002932
- Numbers of the form 2^i * 11^j.at n=30A003596
- Witt vector *2!.at n=8A006173
- Coordination sequence for quartz.at n=41A008261
- Coordination sequence for Ni2In, Position Ni2.at n=22A009942
- Triangle of coefficients in expansion of (1+11x)^n.at n=13A013618
- a(n) = floor((Pi/2)^n).at n=19A014214
- Numbers k such that the continued fraction for sqrt(k) has period 52.at n=29A020391
- Number of cubefree words of length n on two letters.at n=20A028445
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 36.at n=40A031534
- a(n) = 4*n^3.at n=11A033430
- a(n) = 11*n^2.at n=22A033584
- Numbers whose prime factors are 2 and 11.at n=14A033848
- Number of partitions of n into parts not of form 4k+2, 24k, 24k+1 or 24k-1. Also number of partitions in which no odd part is repeated, with no part of size less than or equal to 2 and where differences between parts at distance 5 are greater than 1 when the smallest part is odd and greater than 2 when the smallest part is even.at n=55A036029
- Composite numbers k such that the digits of the prime factors of k are either 1 or 2.at n=35A036302
- a(n) = ceiling((n^3)/2).at n=22A036486
- a(n) = floor((n^3)/2).at n=22A036487
- Numbers k such that the k-th prime is a Fibonacci number reversed.at n=7A036972
- Positive numbers having the same set of digits in base 5 and base 8.at n=40A037431
- Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*1^j.at n=11A038315