Properties of the Number 71328

Seventy-One Thousand Three Hundred Twenty-Eight

Basics

Value: 71327 → 71328 → 71329

Parity: even

Prime: No

Previous Prime: 71327

Next Prime: 71329

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 743

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001011010100000

Octal: 213240

Duodecimal: 35340

Hexadecimal: 116a0

Square: 5087683584

Square Root: 267.07302372197756

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 product-free subsets of {1..n}. A326489

Number of overcompositions of n minus the number of compositions of n. A236633

Numbers k divisible by at least one nontrivial permutation (rearrangement) of the digits of k, excluding all permutations that result in digit loss. A90056

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any horizontal, vertical or antidiagonal neighbor equal to n-1. A266158

p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = 1 - 2 S - 2 S². A291036

Averages k of twin prime pairs such that A075255(k) is also the average of a twin prime pair. A340570

Number of nX2 arrays containing 2 copies of 0..n-1 with no element plus any horizontal, vertical or antidiagonal neighbor equal to n-1. A266156

Prime numbers k such that (2^k + 3^k)/5 is prime. A57469

Smallest prime q such that q - prime(n) >= n. A71328