Properties of the Number 78898

Seventy-Eight Thousand Eight Hundred Ninety-Eight

Basics

Value: 78897 → 78898 → 78899

Parity: even

Prime: No

Previous Prime: 78893

Next Prime: 78901

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 2 × 103 × 383

Divisors: 1, 2, 103, 206, 383, 766, 39449, 78898

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010000110010

Octal: 232062

Duodecimal: 397AA

Hexadecimal: 13432

Square: 6224894404

Square Root: 280.88787798692914

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

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(3) = 4. A49898

Number of times the smallest prime factor of n is the smallest prime factor for numbers <= n; a(0)=0, a(1)=1. A78898

Number of ways to place 2 nonattacking nightriders on an n X n toroidal board. A196812