Properties of the Number 28674

Twenty-Eight Thousand Six Hundred Seventy-Four

Basics

Value: 28673 → 28674 → 28675

Parity: even

Prime: No

Previous Prime: 28669

Next Prime: 28687

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 59

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 59, 81

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000000000010

Octal: 70002

Duodecimal: 14716

Hexadecimal: 7002

Square: 822198276

Square Root: 169.333989500041

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

Result of using the perfect squares as coefficients in an infinite polynomial series in·and then expressing this series as (1+a(1)x)(1+a(2)x²)(1+a(3)x³)... A147559

Numbers n such that n through n+5 have the same number of distinct prime factors. A45934

Number of ways to write n as an ordered sum of nine powers of 2. A342252

Numbers k such that (2^{2k + 1} - 2)/3 + k - 1 is prime. A236547

Indices among the primes of the primes in A054356, The Five Hysterical Girls Theorem. A138132

a(0) = 1, a(n) = 28·n² + 2 for n>0. A10018

Indices among the primes of the primes in A020461. A138126

Number of (n+2) X 4 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..1 introduced in row major order. A204748

a(n) = 3ⁿ + 6ⁿ + 9ⁿ + 12ⁿ. A220442

Numbers n such that n³ contains the consecutive substring 2,3,5,7. A295900