Properties of the Number 78940

Seventy-Eight Thousand Nine Hundred Forty

Basics

Value: 78939 → 78940 → 78941

Parity: even

Prime: No

Previous Prime: 78929

Next Prime: 78941

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 3947

Divisors: 1, 2, 4, 5, 10, 20, 3947, 7894, 15788, 19735

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011010001011100

Octal: 232134

Duodecimal: 39824

Hexadecimal: 1345c

Square: 6231523600

Square Root: 280.9626309671804

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 regions formed after n points have been placed in general position on each edge of a triangle (as in A365929). A367015

Number of cells in a regular 7-gon after n generations of mitosis. A349808

Row sums of A078938. A78940

a(n) = ((3^p - 3)/p) mod p where p is n-th prime. A179078