Properties of the Number 28602

Twenty-Eight Thousand Six Hundred Two

Basics

Value: 28601 → 28602 → 28603

Parity: even

Prime: No

Previous Prime: 28597

Next Prime: 28603

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 7 × 227

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111110111010

Octal: 67672

Duodecimal: 14676

Hexadecimal: 6fba

Square: 818074404

Square Root: 169.12125827346483

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases. A234832

s(k)-s(j), where the pairs (k,j) are given by A205857 and A205858, and s(k) denotes the (k+1)-st Fibonacci number. A205859

s(k)-s(j), where the pairs (k,j) are given by A205862 and A205863, and s(k) denotes the (k+1)-st Fibonacci number. A205864

s(k)-s(j), where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number. A205874

n⁴ + n-th prime. A89621

Number of 3 X 3 0..n arrays with row and column sums one greater than the previous row and column. A202865

Number of (n+1) X (1+1) 0..2 arrays with each 2 X 2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases. A234825

Number of (n+1)X(4+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases. A234828

Numbers k such that (47·10^k - 119)/9 is prime. A291868

Expansion of (theta₃(z)*theta₃(9z)+theta₂(z)*theta₂(9z))². A28602