Properties of the Number 90779

Ninety Thousand Seven Hundred Seventy-Nine

Basics

Value: 90778 → 90779 → 90780

Parity: odd

Prime: No

Previous Prime: 90749

Next Prime: 90787

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 13 × 6983

Divisors: 1, 13, 6983, 90779

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001010011011

Octal: 261233

Duodecimal: 4464B

Hexadecimal: 1629b

Square: 8240826841

Square Root: 301.2955359775514

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 (5+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254911

a(n) = n²*a(n-1)+(-1)ⁿ. A73701

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254907

Numbers k that divide φ(k)². A90779