Properties of the Number 78990

Seventy-Eight Thousand Nine Hundred Ninety

Basics

Value: 78989 → 78990 → 78991

Parity: even

Prime: No

Previous Prime: 78989

Next Prime: 79031

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 2633

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 2633, 5266

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010010001110

Octal: 232216

Duodecimal: 39866

Hexadecimal: 1348e

Square: 6239420100

Square Root: 281.0515966864447

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 length-n 0..3 arrays connected end-around, with no sequence of L<n elements immediately followed by itself (periodic "squarefree"), and new values introduced in order 0..3. A215396

Triangle arising from (4,2) tennis ball problem, read by rows. A78990