Properties of the Number 13988

Thirteen Thousand Nine Hundred Eighty-Eight

Basics

Value: 13987 → 13988 → 13989

Parity: even

Prime: No

Previous Prime: 13967

Next Prime: 13997

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 13 × 269

Divisors: 1, 2, 4, 13, 26, 52, 269, 538, 1076, 3497

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11011010100100

Octal: 33244

Duodecimal: 8118

Hexadecimal: 36a4

Square: 195664144

Square Root: 118.27087553578015

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 regions in regular n-gon with all diagonals drawn. A7678

Numbers n such that Bernoulli number B_n has denominator 1590. A272140

Number of partitions of n containing a clique of size 10. A183567

Decimal value of the bitmap of active segments in 7-segment display of the number n, variant 1: bits 0-6 refer to segments from top to bottom, left to right. A234691

T(n,k)=Number of length n+3 0..k arrays with no four elements in a row with pattern aabb (possibly a=b) and new values 0..k introduced in 0..k order. A242549

Numbers that are the sum of nine fourth powers in exactly nine ways. A345851

Numbers k such that k | p(k) - q(k) where p(k) = partition numbers (A000041) and q(k) = partition numbers into distinct parts (A000009). A56873

Numbers k such that A000010(k) divides A074639(k). A74645

Number of length n+3 0..4 arrays with no four elements in a row with pattern aabb (possibly a=b) and new values 0..4 introduced in 0..4 order. A242545

a(n) is the smallest number k such that k = (σ(n*(σ(k)-k)) - n*(σ(k)-k))/n. A321328