3453
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 4608
- Proper Divisor Sum (Aliquot Sum)
- 1155
- 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
- 2300
- Möbius Function
- 1
- Radical
- 3453
- 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
- 43
- 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
- Coordination sequence T1 for Zeolite Code MER.at n=43A008160
- Coordination sequence T5 for Zeolite Code MTT.at n=36A008193
- Coordination sequence T2 for Banalsite.at n=35A008250
- Numbers k such that the continued fraction for sqrt(k) has period 44.at n=27A020383
- 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 38.at n=25A031536
- Lucky numbers with size of gaps equal to 12 (lower terms).at n=40A031894
- Sort then Add, a(1)=3.at n=11A033893
- Number of partitions of n with equal number of parts congruent to each of 1, 3 and 4 (mod 5).at n=50A035580
- Coordination sequence T1 for Zeolite Code ESV.at n=39A038409
- Numbers n such that string 5,3 occurs in the base 10 representation of n but not of n-1.at n=37A044385
- Numbers n such that string 5,3 occurs in the base 10 representation of n but not of n+1.at n=37A044766
- Numbers whose base-4 representation contains exactly three 1's and three 3's.at n=12A045127
- Becomes prime or 4 after exactly 7 iterations of f(x) = sum of prime factors of x.at n=38A048129
- a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n -1 <= 2^(p+1), with a(1) = 1, a(2) = 3, and a(3) = 4.at n=11A049977
- Matrix 9th power of partition triangle A008284.at n=22A050303
- Consider the Diophantine equation x^3 + y^3 = z^3 - 1 (x < y < z) or 'Fermat near misses'. Arrange solutions by increasing values of z. Sequence gives values of x.at n=21A050788
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 12.at n=22A050961
- McKay-Thompson series of class 35B for Monster.at n=33A058641
- Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 22 (most significant digit on right).at n=23A061951
- Positive numbers whose product of digits is 12 times their sum.at n=28A062045