Properties of the Number 13879

Thirteen Thousand Eight Hundred Seventy-Nine

Basics

Value: 13878 → 13879 → 13880

Parity: odd

Prime: Yes

Previous Prime: 13877

Next Prime: 13883

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 13879

Divisors: 1, 13879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11011000110111

Octal: 33067

Duodecimal: 8047

Hexadecimal: 3637

Square: 192626641

Square Root: 117.80916772475732

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 8 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 8. A252615

Primes p such that p-1 and p+1 each contain at least one cubed prime in their prime factorization. A162870

Primes whose sum of digits is the perfect number 28. A48517

Odd primes p for which there are exactly as many primes in the range [prevprime(p)², prevprime(p)*p] as there are in the range [prevprime(p)*p, p²], where prevprime(p) gives the previous prime before prime p. A256473

Number of days in n years (n=4 is the first leap year). A33171

Primes which are sandwiched between two numbers having the same unordered canonical form. A74460

Primes congruent to 34 mod 71. A154624

Primes of the form ∑_k=1..m (m^k mod (m-k+1)). A156559

a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 7 primes. A285692

Primes p == 3 (mod 4), p > 3 such that 2+-i are 24th powers modulo p. A385191