Properties of the Number 72881

Seventy-Two Thousand Eight Hundred Eighty-One

Basics

Value: 72880 → 72881 → 72882

Parity: odd

Prime: No

Previous Prime: 72871

Next Prime: 72883

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 31 × 2351

Divisors: 1, 31, 2351, 72881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010110001

Octal: 216261

Duodecimal: 36215

Hexadecimal: 11cb1

Square: 5311640161

Square Root: 269.9648125219285

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

Number of odd-length columns in all bargraphs having semiperimeter n (n>=2). A273902

M-sequences from multicomplexes on 4 variables with all monomials of degree 4 but none of degree larger than n. A11812

a(1)=a(2)=a(3)=1; for n>3, a(n)=(a(n-1)*a(n-2)+a(n-1)+a(n-2))/a(n-3). A72881