Properties of the Number 14121

Fourteen Thousand One Hundred Twenty-One

Basics

Value: 14120 → 14121 → 14122

Parity: odd

Prime: No

Previous Prime: 14107

Next Prime: 14143

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 523

Divisors: 1, 3, 9, 27, 523, 1569, 4707, 14121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011100101001

Octal: 33451

Duodecimal: 8209

Hexadecimal: 3729

Square: 199402641

Square Root: 118.83181392203015

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 (w,x,y,z) with all terms in {1,...,n} and w·x < 2·y*z. A211795

a(n) = 2·a(n-1) + 5·a(n-2), a(0) = 0, a(1) = 1. A2532

a(n) = ∑_k=1..n C(n-1,k-1) * S2(n,k) for n>0, a(0)=1, where S2(n,k) = A048993(n,k) are Stirling numbers of the 2nd kind. A134055

Number of integer partitions of n whose first differences are not all distinct. A389919

Triangle T(n,k) read by rows: T(n,k) = number of permutations on 123...n with exactly two abc patterns and no aj pattern with j<=k, for n>=0, 0<=k<=n. A229158

a(n) = n·prime(prime(n)) - prime(n). A230285

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384720. A384722

Numbers whose product of decimal digits equals its sum of binary digits. A64003

Coefficient of xⁿ in A(x)ⁿ is A087457(n) for n>=1. A88929

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..4 array extended with zeros and convolved with 1,2,2,1. A222107