Properties of the Number 80015

Eighty Thousand Fifteen

Basics

Value: 80014 → 80015 → 80016

Parity: odd

Prime: No

Previous Prime: 79999

Next Prime: 80021

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 13 × 1231

Divisors: 1, 5, 13, 65, 1231, 6155, 16003, 80015

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10011100010001111

Octal: 234217

Duodecimal: 3A37B

Hexadecimal: 1388f

Square: 6402400225

Square Root: 282.86922773606886

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

a(0)=1, a(1)=5, a(n) = 20·a(n-2) - a(n-1). A165470

Offsets i such that i + m*(m+1)/2 is a perfect square for some positive integer m. A175035

Expansion of theta₃(q) / theta₃(q²) in powers of q. A80015

Number of acyclic orientations of the Hamming graph (K₃) x (K_n). A54653