14437
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14438
- 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
- 14436
- Möbius Function
- -1
- Radical
- 14437
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 45
- 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
- 1693
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes whose reversal is a square.at n=14A007488
- Primes p such that (p+1)/2 and (p+2)/3 are also primes.at n=33A036570
- Number of nonnegative integer 3 X 3 matrices with no zero rows or columns and with sum of elements equal to n.at n=9A055005
- Consider Pythagorean triples which satisfy X^2+(X+7)^2=Z^2; sequence gives increasing values of Z.at n=8A060569
- Sequence of prime numbers whose reverse is a nontrivial prime power (A025475).at n=11A067194
- Primes whose digit reversal is a nontrivial power.at n=17A069798
- Consider all Pythagorean triples (X,X+7,Z); sequence gives Z values.at n=14A076294
- Prime numbers whose digit reversal is a powerful(1) number (A001694).at n=22A115685
- Same as A007488, but with the numbers arranged so that their reversals are in increasing order.at n=20A132388
- Concatenation of n-th Fibonacci number and n-th prime.at n=11A138821
- Primes congruent to 32 mod 43.at n=35A142281
- Primes congruent to 8 mod 47.at n=38A142359
- Primes congruent to 21 mod 53.at n=34A142551
- Primes congruent to 41 mod 59.at n=23A142768
- Primes congruent to 41 mod 61.at n=28A142839
- Primes congruent to 32 mod 67.at n=27A154621
- Primes p such that both pi(p) and the concatenation of pi(p) and p are prime, where pi is the prime counting function.at n=23A155032
- Honaker primes of the form p = 2*k-1 with sum-of-digits(p) = sum-of-digits(k).at n=7A176111
- Number of (n+1)X5 binary arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.at n=4A186897
- Number of (n+1) X 6 binary arrays with every 2 X 2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2 X 2 subblock determinants.at n=3A186898