Properties of the Number 90801

Ninety Thousand Eight Hundred One

Basics

Value: 90800 → 90801 → 90802

Parity: odd

Prime: No

Previous Prime: 90793

Next Prime: 90803

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 19 × 59

Divisors: 1, 3, 9, 19, 27, 57, 59, 81, 171, 177

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110001010110001

Octal: 261261

Duodecimal: 44669

Hexadecimal: 162b1

Square: 8244821601

Square Root: 301.3320427700977

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 (n+3) X 7 0..1 matrices with each 4 X 4 subblock idempotent. A224564

List of distinct numbers appearing as denominators of Bernoulli numbers. A90801

Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum equal to 0 3 5 6 or 8. A252346

Square array read by antidiagonals upwards: T(i,j) is the smallest number m such that the symmetric representation of σ, SRS(m), has maximum width 3, consists of i parts and has 2·j occurrences of maximum width 3 in its width pattern (row m of A341969). A377667