Properties of the Number 86845

Eighty-Six Thousand Eight Hundred Forty-Five

Basics

Value: 86844 → 86845 → 86846

Parity: odd

Prime: No

Previous Prime: 86843

Next Prime: 86851

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 × 1579

Divisors: 1, 5, 11, 55, 1579, 7895, 17369, 86845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101001100111101

Octal: 251475

Duodecimal: 42311

Hexadecimal: 1533d

Square: 7542054025

Square Root: 294.6947573337537

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 connected graphs with one cycle of length 4. A368

a(n) is the smallest k such that A342068(k) = n. A342069

Numbers k such that φ(k, 2) = φ(k+1, 2), where φ(k, 2) = A002472(k). A301868

Number of snarks of order 2n with a maximum of 5 components in any 2-factor. A218887

Denominators in the expression m!/(prime(m-1)+1) for m > 1 such that this expression is not an integer. A223881

a(1) = 0, a(n) = a(floor(n/2)) + 2·a(ceiling(n/2)) + floor(n/2). A86845