Properties of the Number 91028

Ninety-One Thousand Twenty-Eight

Basics

Value: 91027 → 91028 → 91029

Parity: even

Prime: No

Previous Prime: 91019

Next Prime: 91033

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 × 3251

Divisors: 1, 2, 4, 7, 14, 28, 3251, 6502, 13004, 22757

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110001110010100

Octal: 261624

Duodecimal: 44818

Hexadecimal: 16394

Square: 8286096784

Square Root: 301.7084685586402

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 binary codes of length 8 with n words. A34193

The triangle in A039754 but with rows truncated at k = n. A276777

Number of binary codes (not necessarily linear) of length n with 6 words. A34201

Alternating row sums of array A090440 (generalized Stirling2 array (4,3)). A91028