Properties of the Number 78930

Seventy-Eight Thousand Nine Hundred Thirty

Basics

Value: 78929 → 78930 → 78931

Parity: even

Prime: No

Previous Prime: 78929

Next Prime: 78941

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 877

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011010001010010

Octal: 232122

Duodecimal: 39816

Hexadecimal: 13452

Square: 6229944900

Square Root: 280.94483444263574

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 2+2 0..n arrays with no pair in any consecutive three terms totalling exactly n. A245997

Number of length-n 0..5 arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order. A268953

Number of length-(n+5) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order. A268959

T(n,k)=Number of length-n 0..k arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order. A268956

Let r+i·s be the sum of the distinct first-quadrant Gaussian integers dividing n; sequence gives r+s values. A78930