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Properties of the Number 13528

Thirteen Thousand Five Hundred Twenty-Eight

Basics

Value: 13527 → 13528 → 13529

Parity: even

Prime: No

Previous Prime: 13523

Next Prime: 13537

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 3 × 19 × 89

Divisors: 1, 2, 4, 8, 19, 38, 76, 89, 152, 178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010011011000

Octal: 32330

Duodecimal: 79B4

Hexadecimal: 34d8

Square: 183006784

Square Root: 116.30993078838969

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

a(n) = floor(n(n+2)(2n+1)/8). A2717
Global ranks of terms of A057122: tells which terms of A014486 form rooted plane binary trees also when interpreted as codes for ordinary rooted planar trees. A57123
Number of recursive calls needed to compute the n-th Fibonacci number F(n), starting with F(1) = F(2) = 1. A19274
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253495
Numbers k such that k!*2k - 1 is prime. A91415
a(n) is the smallest positive d such that the n-th prime is the smallest prime p for which p+d is also prime. A101042
Total number of partitions of all numbers <= n with designated summands, n >= 0. A384998
A101042 sorted. There exists a prime p for which a(n) is the smallest positive d such that p is the smallest prime where p+d is also prime. A101043
Position of second and last occurrence of n in A256918. A257475
Expansion of ∏i>=1, j>=0 (1 + xi·6j) / (1 - xi·6j). A393558