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Properties of the Number 28048

Twenty-Eight Thousand Forty-Eight

Basics

Value: 28047 → 28048 → 28049

Parity: even

Prime: No

Previous Prime: 28031

Next Prime: 28051

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 4 × 1753

Divisors: 1, 2, 4, 8, 16, 1753, 3506, 7012, 14024, 28048

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110110010000

Octal: 66620

Duodecimal: 14294

Hexadecimal: 6d90

Square: 786690304

Square Root: 167.47537132366656

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+3)X(k+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits. A263124
Number of partitions of n with up to ten distinct kinds of 1. A320697
Number of subsets of the first n primes whose elements have a prime average. A339485
Number of sets of nonempty words over binary alphabet with a total of n letters of which 2 are the first letter. A360650
Number of binary strings of length n with no substrings equal to 0001, 0110 or 1100. A164480
Number of (n+3)X(4+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits. A263122
Triangle read by rows: T(n,k) is the number of permutations of {1,...,n} whose longest embedded arithmetic progression has length k. A339941
a(n) = ceiling(n*φ19), where φ is the golden ratio, A001622. A4974
Number of (2+3)X(n+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits. A263126
Number of (n+1)X(1+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237905