4699
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 28
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 4864
- Proper Divisor Sum (Aliquot Sum)
- 165
- 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
- 4536
- Möbius Function
- 1
- Radical
- 4699
- 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
- 82
- 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
- 9-gonal (or enneagonal or nonagonal) numbers: a(n) = n*(7*n-5)/2.at n=37A001106
- Coordination sequence T7 for Zeolite Code DDR.at n=43A008077
- M-sequences from multicomplexes on 4 variables with all monomials of degree 5 but none of degree larger than n.at n=7A011813
- Pseudoprimes to base 28.at n=24A020156
- Pseudoprimes to base 75.at n=29A020203
- Pseudoprimes to base 90.at n=13A020218
- Pseudoprimes to base 99.at n=39A020227
- Strong pseudoprimes to base 28.at n=7A020254
- Odd 9-gonal (or enneagonal) numbers.at n=18A028991
- Lucky numbers with size of gaps equal to 14 (lower terms).at n=22A031896
- "AFK" (ordered, size, unlabeled) transform of 1,3,5,7,...at n=10A032008
- Numbers whose set of base-8 digits is {1,3}.at n=33A032915
- a(n) = (2*n+1)*(7*n+1).at n=18A033572
- Numerators of continued fraction convergents to sqrt(721).at n=8A042388
- Numbers whose base-5 representation contains exactly three 2's and two 4's.at n=10A045291
- Sum of digits = 7 times number of digits.at n=44A061424
- Numbers k such that Euler phi(k) / Carmichael lambda(k) = 18.at n=23A066697
- Let u(1) = u(2) = v(1) = v(2) = 1, u(n+2) = u(n)+v(n+1), v(n+2) = abs(u(n)-v(n+1)), then a(n) = u(n).at n=45A072515
- Let u(1) = u(2) = v(1) = v(2) = 1, u(n+2) = u(n)+v(n+1), v(n+2) = abs(u(n)-v(n+1)), then a(n) = u(n).at n=43A072515
- Right-truncatable semiprimes.at n=42A085733