Properties of the Number 80525

Eighty Thousand Five Hundred Twenty-Five

Basics

Value: 80524 → 80525 → 80526

Parity: odd

Prime: No

Previous Prime: 80513

Next Prime: 80527

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 3221

Divisors: 1, 5, 25, 3221, 16105, 80525

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101010001101

Octal: 235215

Duodecimal: 3A725

Hexadecimal: 13a8d

Square: 6484275625

Square Root: 283.7692724732542

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(n) = floor( n*(n-1)*(n-2)*(n-3)/22 ). A11932

a(n) in base 11 is a repdigit. A48335

a(n) = ((2·n+1)⁵+(-1)ⁿ)/2. A175111

Number of compositions of odd positive integers into 5 parts <= n. A191902

Smallest m such that A258062(m) = n. A258063

Numbers k that divide s(k), where s(1)=1, s(j)=11·s(j-1)+j. A14858

Triangle T(n,k) of orders of degree-n irreducible polynomials over GF(11) listed in ascending order. A218336

First column of triangle in A080524. A80525