Properties of the Number 80901

Eighty Thousand Nine Hundred One

Basics

Value: 80900 → 80901 → 80902

Parity: odd

Prime: No

Previous Prime: 80897

Next Prime: 80909

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 89 × 101

Divisors: 1, 3, 9, 89, 101, 267, 303, 801, 909, 8989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110000000101

Octal: 236005

Duodecimal: 3A999

Hexadecimal: 13c05

Square: 6544971801

Square Root: 284.43101096751036

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

Numbers n such that in n³ the parity of digits alternates. A30159

a(1)=2; for n>1, a(n)=a(n-1)-2 if n is already in the sequence, a(n)=a(n-1)+5 otherwise. A80901

Number of self-inverse permutations p on [n] where the maximal displacement of an element equals 6. A238917