3433
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 3434
- 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
- 3432
- Möbius Function
- -1
- Radical
- 3433
- 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
- 149
- 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
- 481
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- a(n) = floor(1000*log(n)).at n=30A004240
- Numbers k such that 4!*(2k-5)!/(k!*(k-1)!) is an integer.at n=27A004784
- 5!(2n-6)!/n!(n-1)! is an integer.at n=32A004785
- Euler characteristics of polytopes.at n=14A006481
- Where the prime race among 7k+1, ..., 7k+6 changes leader.at n=27A007354
- Base-6 Armstrong or narcissistic numbers (written in base 10).at n=11A010348
- Numbers k such that the continued fraction for sqrt(k) has period 59.at n=2A020398
- Primes that contain digits 3 and 4 only.at n=5A020461
- Primes that remain prime through 2 iterations of function f(x) = 5x + 2.at n=39A023252
- n written in fractional base 5/3.at n=33A024633
- Clog sequence in base 2. Right to left concatenation of n,int(log_2(n)),int(log_2(int(log_2(n)))),... in base 2.at n=40A028423
- Smallest nontrivial extension of n-th palindrome which is a prime.at n=42A030675
- Smallest nontrivial extension of n-th cube which is a prime.at n=6A030692
- 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 4.at n=27A031417
- Lower prime of a pair of consecutive primes having a difference of 16.at n=10A031934
- Upper prime of a difference of 20 between consecutive primes.at n=3A031939
- Numbers with digits 3 and 4 only.at n=18A032834
- Primes of form x^2 + 94*y^2.at n=28A033204
- Primes of form x^2+69*y^2.at n=27A033244
- Honaker primes: primes P(k) such that sum of digits of P(k) equals sum of digits of k.at n=25A033548