Properties of the Number 9101

Nine Thousand One Hundred One

Basics

Value: 9100 → 9101 → 9102

Parity: odd

Prime: No

Previous Prime: 9091

Next Prime: 9103

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 19 × 479

Divisors: 1, 19, 479, 9101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10001110001101

Octal: 21615

Duodecimal: 5325

Hexadecimal: 238d

Square: 82828201

Square Root: 95.39916142189091

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

Composite numbers whose divisors (except 1) all contain the digit 9. A62680

a(n) = (n + 3)*(n² + 6·n + 2)/6. A5286

Centered 28-gonal numbers. A195314

Number of vertices in a Farey fan of order n. A360042

Number of Dyck n-paths all of whose ascents have lengths equal to 1 (mod 5). A212385

Numbers n such that m=(n²+1)/2, p=(m²+1)/2 and q=(p²+1)/2 are all prime. A188546

Nested floor product of n and fractions (k+1)/k for all k>0 (mod 3), divided by 3. A73360

The number of P-positions in the game of Nim with up to 4 piles, allowing for piles of zero, such that the number of objects in each pile does not exceed n. A241522

Natural numbers written out with their digits grouped in sets of four (leading zeros omitted). A91332

Triangle read by rows: T(n,k) = value of the string of length k beginning at position n in the concatenation of natural numbers in decimal representation, 1<=k<=n. A162711