11437
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 11438
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 11436
- Möbius Function
- -1
- Radical
- 11437
- 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
- 81
- 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
- 1379
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 31.at n=40A020370
- Primes that remain prime through 3 iterations of function f(x) = 4x + 9.at n=30A023282
- Number of partitions in parts not of the form 9k, 9k+1 or 9k-1. Also number of partitions with no part of size 1 and differences between parts at distance 3 are greater than 1.at n=50A035940
- Primes p from A031924 such that A052180(primepi(p)) = 17.at n=13A052234
- Numbers m such that for increasing b the numbers of zeros in base b representation of m are monotonically decreasing, 1<b<m.at n=41A089969
- Primes p such that 2*p +/- 3 and 8*p +/- 3 are all primes.at n=10A106022
- Primes such that the sum of the predecessor and successor primes is divisible by 37.at n=39A113156
- Father primes of order 9.at n=38A136078
- Primes of the form 13x^2+105y^2.at n=39A140020
- Primes of the form 2*3*5*7*k + 97.at n=28A141899
- Primes congruent to 4 mod 37.at n=40A142113
- Primes congruent to 39 mod 41.at n=34A142236
- Primes congruent to 42 mod 43.at n=32A142291
- Primes congruent to 16 mod 47.at n=28A142367
- Primes congruent to 20 mod 49.at n=26A142431
- Primes congruent to 13 mod 51.at n=42A142484
- Primes congruent to 42 mod 53.at n=25A142572
- Primes congruent to 52 mod 55.at n=29A142638
- Primes congruent to 37 mod 57.at n=42A142688
- Primes congruent to 50 mod 59.at n=22A142777