4346
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6804
- Proper Divisor Sum (Aliquot Sum)
- 2458
- 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
- 2080
- Möbius Function
- -1
- Radical
- 4346
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- 139
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- yes
- Odd
- no
Appears in sequences
- If a, b in sequence, so is ab+6.at n=39A009307
- Numbers k such that the continued fraction for sqrt(k) has period 7.at n=32A010338
- Expansion of 1/(1-x^10-x^11-x^12-x^13-x^14-x^15-x^16-x^17).at n=69A017893
- Least k such that b(k) = n, where b( ) is sequence A020944.at n=53A020948
- Numbers with exactly 6 2's in their ternary expansion.at n=21A023704
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 5.at n=22A031418
- a(n) = (2*n - 1)*(3*n + 1).at n=27A033569
- Numbers whose sum of reciprocals of digits is the reciprocal of an integer.at n=41A037264
- Sum of reciprocals of digits = 1.at n=23A037268
- Numbers k such that 3^k + 2 is prime.at n=29A051783
- Expansion of (1-x)/(1-x-4x^2+2x^3).at n=11A052966
- Number of essentially parallel series-parallel networks with n unlabeled edges, multiple edges not allowed.at n=13A058385
- Essentially series series-parallel networks with n unlabeled edges, multiple edges not allowed.at n=13A058386
- McKay-Thompson series of class 39A for Monster.at n=39A058659
- Number of 2 X 2 matrices with elements from {0,1,2,...,n} and with Nim-Determinant 1. (The Nim-Determinant of the 2 X 2 matrix [a,b; c,d] is defined to be a*d xor b*c, where * denotes Nim-Multiplication.)at n=17A059954
- Harmonic mean of digits is 4.at n=25A062182
- Main diagonal of A082228.at n=33A082231
- a(n) = 2*Fibonacci(n) + 8*Fibonacci(n-5).at n=12A101156
- Number of decimal digits in the numerator of the 10^n-th harmonic number.at n=4A114467
- Diagonal sums of correlation triangle for (1+x)^3/(1-x).at n=30A115294