Properties of the Number -17241

Seventeen Thousand Two Hundred Forty-One

Basics

Value: -17242 → -17241 → -17240

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 821

Divisors: 1, 3, 7, 21, 821, 2463, 5747, 17241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001101011001

Octal: -41531

Duodecimal: -9B89

Hexadecimal: -4359

Square: 297252081

Square Root: 131.30498848101698

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

a(n) = ∑_{j=0..2·i, i=0..n} A026584(i,j). A26599

Number of ways of writing n as the sum of 7 triangular numbers. A226252

Number of (w,x,y,z) with all terms in {1,...,n} and median=mean. A212133

Haüy rhombic dodecahedral numbers. A46142

Triangle, read by rows, where T(n,k) equals the sum of squares of numbers < 2ⁿ having exactly k ones in their binary expansion. A110200

Number of partitions of n such that the (sum of distinct odd parts) > n/2. A284614

Number of partitions of n such that the (sum of distinct odd parts) >= n/2. A284615

Numbers k such that 12^k + 7 is prime. A137653

Augmentation of the triangle A074909. See Comments. A193630

Numbers k such that usigma(uphi(k)) = uphi(usigma(k)), where usigma is the sum of unitary divisors function (A034448) and uphi is the unitary totient function (A047994). A329730