Properties of the Number -17630

Seventeen Thousand Six Hundred Thirty

Basics

Value: -17631 → -17630 → -17629

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 41 × 43

Divisors: 1, 2, 5, 10, 41, 43, 82, 86, 205, 215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010011011110

Octal: -42336

Duodecimal: -A252

Hexadecimal: -44de

Square: 310816900

Square Root: 132.77801022759755

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

Starts of runs of 3 consecutive positive negaFibonacci-Niven numbers (A331085). A331087

a(n) = ceiling( ∑_i=1..n-1 a(i)/5 ), a(1)=1. A120170

Least integer m > 0 with π(m·n) = σ(m+n), where π(.) and σ(.) are given by A000720 and A000203. A247604

T(n,k)=number of nXk binary matrices with rows and then columns in strictly increasing order as binary numbers. A180989

L.g.f.: ∑_n>=1 xⁿ/n * ∑_k=0..n binomial(n,k)² * x^k*(1-x)^n-k. A217464

a(n) = ∑_k=1..n (k/gcd(n, k))³. A343513

Numerators of continued fraction convergents to sqrt(134). A41244

Total sum of parts of multiplicity 8 in all partitions of n. A222736

E.g.f.: Series_Reversion( -x + 2·x*exp(-x) ). A259062

Numbers k such that (φ(k-2) + φ(k+2))/2 = φ(k); 2-φ/balanced numbers. A99633