3499
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 3500
- 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
- 3498
- Möbius Function
- -1
- Radical
- 3499
- 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
- 131
- 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
- 489
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Coordination sequence T4 for Zeolite Code -PAR.at n=42A009858
- Coordination sequence T1 for Zeolite Code RUT.at n=39A009897
- Pisot sequence E(14,23), a(n) = floor( a(n-1)^2/a(n-2)+1/2 ).at n=11A010902
- Numbers k such that the continued fraction for sqrt(k) has period 74.at n=4A020413
- Primes that remain prime through 2 iterations of function f(x) = 6x + 7.at n=46A023258
- Greatest prime divisor of prime(n)*prime(n-1) - 1.at n=45A023517
- 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 59.at n=2A031557
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 26 ones.at n=23A031794
- Lucky numbers with size of gaps equal to 8 (lower terms).at n=40A031890
- Lower prime of a difference of 12 between consecutive primes.at n=35A031930
- Primes of form x^2+66*y^2.at n=28A033242
- Multiplicity of highest weight (or singular) vectors associated with character chi_62 of Monster module.at n=34A034450
- Number of partitions of n into parts 3k+1 and 3k+2 with at least one part of each type.at n=36A035620
- Number of partitions of n into parts 6k+2 and 6k+4 with at least one part of each type.at n=73A035647
- Coordination sequence T4 for Zeolite Code AFN.at n=42A038404
- Coordination sequence T2 for Zeolite Code SFF.at n=39A038438
- Primes of form abs(2*n^2-199).at n=39A039950
- Denominators of continued fraction convergents to sqrt(356).at n=11A041675
- Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n-1.at n=34A044431
- Numbers n such that string 3,4 occurs in the base 10 representation of n but not of n+1.at n=38A044747