14461
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
- 4
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14462
- 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
- 14460
- Möbius Function
- -1
- Radical
- 14461
- 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
- 71
- 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
- 1696
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers whose set of base-15 digits is {1,4}.at n=28A032827
- Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.at n=3A036339
- Numerators of continued fraction convergents to sqrt(820).at n=9A042582
- Base-7 palindromes that start with 6.at n=17A043020
- Primes of the form 2*n^2 + 11.at n=41A050265
- Surround numbers of an n X 2 rectangle when n is odd.at n=7A061525
- Numbers k such that 4*10^k + 6*R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=23A099017
- Number of base 21 circular n-digit numbers with adjacent digits differing by 5 or less.at n=4A125384
- Primes congruent to 13 mod 43.at n=36A142262
- Primes congruent to 32 mod 47.at n=35A142383
- Primes congruent to 6 mod 49.at n=39A142419
- Primes congruent to 45 mod 53.at n=33A142575
- Primes congruent to 51 mod 55.at n=36A142637
- Primes congruent to 6 mod 59.at n=28A142733
- Primes congruent to 4 mod 61.at n=29A142802
- Prime numbers ending in the prime number 61.at n=35A167445
- Noncomposite numbers in the western ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=10A168025
- Primes p that p//13 and p//31 are consecutive primes.at n=21A176601
- Subsequence of Pythagorean primes (A002144): each square is used only once.at n=42A199692
- The number of forests on n nodes of rooted labeled binary trees (each node has degree <=2).at n=6A200793