Properties of the Number 84839

Eighty-Four Thousand Eight Hundred Thirty-Nine

Basics

Value: 84838 → 84839 → 84840

Parity: odd

Prime: No

Previous Prime: 84827

Next Prime: 84857

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 43 × 1973

Divisors: 1, 43, 1973, 84839

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100101101100111

Octal: 245547

Duodecimal: 4111B

Hexadecimal: 14b67

Square: 7197655921

Square Root: 291.27135114871834

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

Numbers k such that 65·2^k+1 is prime. A32382

Number of n X 4 0..1 arrays with every element equal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. A298490

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (0, 1, 0), (1, 0, 0), (1, 1, 0)}. A151142

Smallest integers that satisfy sum(n>0, μ(a(n))*log(a(n))/a(n))=-1 by requiring that the absolute values of 1 + the successive partial sums are monotonically decreasing in magnitude, where a(1)=1 and a(n+1)>a(n) for n>0. A84839