Properties of the Number 9860

Nine Thousand Eight Hundred Sixty

Basics

Value: 9859 → 9860 → 9861

Parity: even

Prime: No

Previous Prime: 9859

Next Prime: 9871

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 17 × 29

Divisors: 1, 2, 4, 5, 10, 17, 20, 29, 34, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10011010000100

Octal: 23204

Duodecimal: 5858

Hexadecimal: 2684

Square: 97219600

Square Root: 99.29753269845128

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

Triangle of numbers S(x,y) = number of lattice paths from (0,0) to (x,y) that use step set { (0,1), (1,0), (2,0), (3,0), ....} and never pass below y = x. A11117

Triangle read by rows: T(n,k) is number of Schroeder paths of length 2n and having k peaks at height 1, for 0 <= k <= n. A104219

Number of simple labeled graphs on n+2 nodes with exactly n connected components that are trees or cycles. A215862

For every positive integer m, let u(m) = (d(1),d(2),...,d(k)) be the unitary divisors of m. The sequence (a(n)) consists of successive numbers m which d(k)/d(1) + d(k-1)/d(2) + ... + d(k)/d(1) is an integer. A229996

Numbers whose square can be represented in exactly two ways as the sum of a positive square and a positive fourth power. A345700

Sums of the antidiagonals of Sundaram's sieve (A159919). A159920

a(n) = n*(n + 11)*(n + 22)/6. A264445

Numbers that are the sum of ten fourth powers in ten or more ways. A345603

Numbers that are the sum of ten fourth powers in exactly ten ways. A345862

Positions of squares in A259934. A263276