5393
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 5394
- Proper Divisor Sum (Aliquot Sum)
- 1
- 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
- 5392
- Möbius Function
- -1
- Radical
- 5393
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 67
- 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
- 711
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes p such that the multiplicative order of 2 modulo p is (p-1)/4.at n=35A001134
- a(n) = ceiling(1000*log_2(n)).at n=41A004267
- Balanced primes (of order one): primes which are the average of the previous prime and the following prime.at n=44A006562
- Partitioning integers to avoid arithmetic progressions of length 3.at n=20A006999
- Nine iterations of Reverse and Add are needed to reach a palindrome.at n=31A015990
- Numbers k such that the continued fraction for sqrt(k) has period 35.at n=12A020374
- Palindromic primes in base 8.at n=20A029976
- Primes of form x^2+89*y^2.at n=26A033257
- Lists of 4 primes in arithmetic progression; common difference 6.at n=18A033449
- Number of indecomposable binary [ n,4 ] codes without 0 columns.at n=14A034351
- Sums of 5 distinct powers of 4.at n=16A038473
- Denominators of continued fraction convergents to sqrt(954).at n=8A042847
- Base-8 palindromes that start with 1.at n=38A043021
- Numbers having four 3's in base 5.at n=26A043364
- Third member of a sexy prime quadruple: value of p+12 such that p, p+6, p+12 and p+18 are all prime.at n=18A046123
- Primes p such that p-6, p and p+6 are consecutive primes.at n=39A053070
- Third term of balanced prime quartets: p(m-1)-p(m-2) = p(m)-p(m-1) = p(m+1)-p(m).at n=4A054802
- a(n) = T(n,n-3), array T as in A055818.at n=28A055820
- Primes p such that x^24 = 2 has no solution mod p, but x^12 = 2 has a solution mod p.at n=30A059331
- Primes p such that x^56 = 2 has no solution mod p, but x^28 = 2 has a solution mod p.at n=36A059635