ℕ atory
Play Now

Properties of the Number 13918

Thirteen Thousand Nine Hundred Eighteen

Basics

Value: 13917 → 13918 → 13919

Parity: even

Prime: No

Previous Prime: 13913

Next Prime: 13921

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 6959

Divisors: 1, 2, 6959, 13918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11011001011110

Octal: 33136

Duodecimal: 807A

Hexadecimal: 365e

Square: 193710724

Square Root: 117.97457353175726

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

Greatest number having exactly n representations as ab+ac+bc with 1 <= a <= b <= c. A94380
Sum of all parts > 1 of all partitions of n. A194552
Numerators of continued fraction convergents to sqrt(216). A41402
Number of nonnegative solutions to (x1)2 + (x2)2 + ... + (x8)2 <= n. A341403
Partial sums of A018805. A177853
a(n) = ∑k=0..n ∑m=0..floor(k/2) binomial(k-m, m)*binomial(n-k, k-m)2. A306463
Square root of A003462, rounded up. A160393
G.f. A(x) satisfies: 1 = ...((((A(x) - 2·x)2 - 4·x2)2 - 8·x3)2 - 16·x4)2 -... - 2n*xn)2 -...., a series of infinite nested squares. A274850
Numbers k such that k+i2, i=0..6 are all semiprimes. A361262
Primes equal to the sum of the first k primes for some k. A13918