Properties of the Number 13999

Thirteen Thousand Nine Hundred Ninety-Nine

Basics

Value: 13998 → 13999 → 14000

Parity: odd

Prime: Yes

Previous Prime: 13997

Next Prime: 14009

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 13999

Divisors: 1, 13999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011010101111

Octal: 33257

Duodecimal: 8127

Hexadecimal: 36af

Square: 195972001

Square Root: 118.31736981525579

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

Number of n-node connected unicyclic graphs. A1429

Primes that divide at least one term of Sylvester's sequence s = A000058: s(n+1) = s(n)² - s(n) + 1, s(0) = 2. A7996

Array read by columns: T(n,m) = number of unlabeled graphs with n vertices and m unicyclic components. A137918

Smallest prime whose product of digits is 3ⁿ. A88653

Primes p such that p's set of distinct digits is {1,3,9}. A108383

Prime p1 of consecutive primes p1, p2, where p2-p1=10, and p1, p2 are in different centuries. A160500

Irregular triangle, read by rows, of primes with prefix n and digits "9" appended, otherwise 0. A185687

a(n) = ∑_{k=0..floor(n/3)} (n-2·k)!/(n-3·k)!. A357532

Primes containing 999 as a substring. A167292

a(n) is the smallest m such that for any N, at least one of S(N), S(N+1), ..., S(N+m-1) is divisible by n, where S(N) is the sum of digits of N. A331788