Properties of the Number 28838

Twenty-Eight Thousand Eight Hundred Thirty-Eight

Basics

Value: 28837 → 28838 → 28839

Parity: even

Prime: No

Previous Prime: 28837

Next Prime: 28843

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 14419

Divisors: 1, 2, 14419, 28838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000010100110

Octal: 70246

Duodecimal: 14832

Hexadecimal: 70a6

Square: 831630244

Square Root: 169.81754915202373

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 partitions of n having no parts with multiplicity 4. A184639

All 81 combinations of prefixing and following a(n) by a single digit are nonprime. A32734

Composite numbers k such that all the decimal concatenations ik and ikj (i, j = 1...9) are also composite. A32737

Triangle T(n,k) = ((-1)^n+k/(n+1))*∑_j=0..n (-1)^j*j!*Stirling2(n, j)* binomial(n-j, k)*binomial(n+j, j), read by rows. A156653

Expansion of 1/(1 - ∑_k>=1 k·x^2·k/(1 - x^k)). A321262

Triangle of coefficients of quasi-Stirling polynomials. A331998

Numbers whose sum of digits is a power of 2. A28838