Properties of the Number 13719

Thirteen Thousand Seven Hundred Nineteen

Basics

Value: 13718 → 13719 → 13720

Parity: odd

Prime: No

Previous Prime: 13711

Next Prime: 13721

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 17 × 269

Divisors: 1, 3, 17, 51, 269, 807, 4573, 13719

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010110010111

Octal: 32627

Duodecimal: 7B33

Hexadecimal: 3597

Square: 188210961

Square Root: 117.12813496338103

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 positive subset sums of strict integer partitions of n. A284640

a(n) = 2·n³ + 1. A33562

Numbers k such that k¹⁸ == 1 (mod 19³). A56089

Partial sums of A002522, starting at n=1. A145066

Numbers k such that ∑_i=1..k i⁷ divides ∏_i=1..k i⁷. A166607

A permutation π on [1,2,....n] has k(π) longest increasing subsequences associated with it; 1<= k(π)<= f(n) for some function f. The given sequence enumerates sum_pi k(π). A167999

a(n) = 38·n² + 1. A158593

Number of partitions p of n such that max(p)-min(p) = 8. A218571

Expansion of χ(x)² / χ(-x²)⁶ in powers of·where χ() is a Ramanujan θ function. A224916

First term of n-th difference sequence of (floor(k·r)), r = -sqrt(7), k >= 0. A325673