Properties of the Number 86906

Eighty-Six Thousand Nine Hundred Six

Basics

Value: 86905 → 86906 → 86907

Parity: even

Prime: No

Previous Prime: 86869

Next Prime: 86923

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 × 2287

Divisors: 1, 2, 19, 38, 2287, 4574, 43453, 86906

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001101111010

Octal: 251572

Duodecimal: 42362

Hexadecimal: 1537a

Square: 7552652836

Square Root: 294.7982360869888

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

Total number of parts in all partitions of n plus the sum of largest parts of all partitions of n. A211978

Triangle read by rows: T(n,m) (n >= m >= 1) = number of line segments formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares. A331454

a(n) is the smallest number which can be represented as the sum of four distinct nonzero n-gonal numbers in exactly n ways, or -1 if no such number exists. A374274

Numbers k such that (10^k - 13)/3 is prime. A280017

Number of symmetric singular n X n (0,1) matrices over the reals. A86906