4869
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 27
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 7046
- Proper Divisor Sum (Aliquot Sum)
- 2177
- 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
- 3240
- Möbius Function
- 0
- Radical
- 1623
- Omega Function (Ω)
- 3
- 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
- 134
- 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
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Coordination sequence T6 for Zeolite Code EUO.at n=43A008101
- Numbers k such that the continued fraction for sqrt(k) has period 70.at n=11A020409
- a(n) = floor(4th elementary symmetric function of Sum_{j=1..k} 1/j, k = 1,2,...,n).at n=6A025214
- Denominators of continued fraction convergents to sqrt(654).at n=10A042257
- Numbers k such that k and k-1 both have 6 divisors.at n=47A049104
- n-th positive integer whose digits sum up to n.at n=26A081927
- a(n) = n * (6*n^2 + 6*n + 1).at n=8A094421
- Numbers n such that p(7n) is prime, where p(n) is the number of partitions of n.at n=16A114167
- Numbers k such that 2*k+1, 4*k+1 and 8*k+1 are primes.at n=42A124041
- Lower triangular array called S2hat(-3) related to partition number array A144279.at n=31A144280
- Lower triangular array called S2hat(-3) related to partition number array A144279.at n=40A144280
- Number of "ON" cells after n-th stage in simple 2-dimensional cellular automaton (see Comments for precise definition).at n=38A160117
- n-th zerofree positive number with digital sum n.at n=26A181178
- Numbers k such that 210*k+{11, 13, 17, 19, 23, 29} are 6 consecutive primes.at n=5A182282
- a(n) is the conjectured highest power of n which has no four identical digits in succession.at n=19A216065
- Generalized ordered Bell numbers Bo(9,n).at n=3A238466
- Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=23A240756
- Rounded down ratio of a minimum intersection area with a unit circle area in n-symmetrical unit circles intersect in a single point.at n=37A243933
- Numbers m such that (m + digit sum of m) is a permutation of the decimal digits of m.at n=46A246420
- Number of compositions of n such that the maximal distance between two identical parts equals two.at n=19A262194