Properties of the Number 15080

Fifteen Thousand Eighty

Basics

Value: 15079 → 15080 → 15081

Parity: even

Prime: No

Previous Prime: 15077

Next Prime: 15083

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 13 × 29

Divisors: 1, 2, 4, 5, 8, 10, 13, 20, 26, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101011101000

Octal: 35350

Duodecimal: 8888

Hexadecimal: 3ae8

Square: 227406400

Square Root: 122.80065146407001

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

Expansion of (1-x)/(1+x-2·x²-x³). A78038

Numbers k such that the central binomial coefficient C(2k,k) is divisible by k². A121943

a(n) = a(n-1) + a(n-1-(number of odd terms so far)). A7604

Same rule as Aitken triangle (A011971) except a(0,0)=0, a(1,0)=1. A46936

Triangle of numbers relating two sequences A073155 and A073156. A73153

Main diagonal sequence of triangle A073153. A73156

a(n) = a(n-1) + 2·a(n-2) - a(n-3), where a(0) = 2, a(1) = 4, a(2) = 7. A287381

Triangle read by rows: T(n,k) (n >= 1, 3 <= k <= n+2) = number of k-sided cells in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter). A334699

a(n) = n*(n+1)*(3·n²+5·n+4)/12. A176060

a(n) = 2·n*(9·n-1). A178574