Properties of the Number 86280

Eighty-Six Thousand Two Hundred Eighty

Basics

Value: 86279 → 86280 → 86281

Parity: even

Prime: No

Previous Prime: 86269

Next Prime: 86287

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 719

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101000100001000

Octal: 250410

Duodecimal: 41B20

Hexadecimal: 15108

Square: 7444238400

Square Root: 293.7345740630476

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

Pentagonal numbers with only even digits. A117990

Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares. A227478

Decimal expansion of 3rd Stieltjes constant gamma₃. A86280

A triangular sequence of polynomial coefficients of an adjusted root product one polynomial set: w(i,n)=If[i == 1, 1/n!, i]; p(x,n)=n!*Product[x - w[i, n], {i, 0, n}]/x. A142148