Properties of the Number 9958

Nine Thousand Nine Hundred Fifty-Eight

Basics

Value: 9957 → 9958 → 9959

Parity: even

Prime: No

Previous Prime: 9949

Next Prime: 9967

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 383

Divisors: 1, 2, 13, 26, 383, 766, 4979, 9958

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011011100110

Octal: 23346

Duodecimal: 591A

Hexadecimal: 26e6

Square: 99161764

Square Root: 99.7897790357309

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 squarefree integers in closed interval [2ⁿ, -1 + 2·2ⁿ], i.e., among 2ⁿ consecutive numbers beginning with 2ⁿ. A77643

Palindromic numbers in bases 4 and 7 written in base 10. A259378

Numbers that have 9 terms in their Zeckendorf representation. A179249

Number of paths from (0,0) to (n+2,n) using only up and right steps and avoiding two or more consecutive moves up or three or more consecutive moves right. A177787

Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse isosceles integer triangle with prime side lengths. A70135

Number of non-isomorphic multiset partitions of weight n with no singletons in which all parts are aperiodic multisets. A320804

a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 4. A22318

Palindromic in bases 7 and 29. A249158

Denominators of continued fraction convergents to sqrt(868). A42677

σ(n) plus the n-th prime gives a square. A114082