Properties of the Number 28727

Twenty-Eight Thousand Seven Hundred Twenty-Seven

Basics

Value: 28726 → 28727 → 28728

Parity: odd

Prime: No

Previous Prime: 28723

Next Prime: 28729

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 23 × 1249

Divisors: 1, 23, 1249, 28727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000000110111

Octal: 70067

Duodecimal: 1475B

Hexadecimal: 7037

Square: 825240529

Square Root: 169.49041270821192

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

Irregular array read by rows in which row n lists the positive integers k in ascending order for which 1 is in a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function. A226618

Number of partitions p of n such that m(p) = m(c(p)), where m = minimal multiplicity of parts, and c = conjugate. A240731

Expansion of 1/(1-x³-x⁴-x⁵-x⁶-x⁷). A17820

Number of n X 5 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. A298136

Initial members of prime decaplets (p, p+2, p+6, p+12, p+14, p+20, p+24, p+26, p+30, p+32). A27570

T(n,k)=Number of nXk 0..1 arrays with every element equal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. A298139

Nonsquares mod 14. A28727