Properties of the Number -101640

One Hundred One Thousand Six Hundred Forty

Basics

Value: -101641 → -101640 → -101639

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 7 × 11 ²

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 11

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000110100001000

Octal: -306410

Duodecimal: -4A9A0

Hexadecimal: -18d08

Square: 10330689600

Square Root: 318.8102884161676

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

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A185957; by antidiagonals. A202678

Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 5 sites wide. A58368

Numbers with exactly 5 distinct prime divisors {2,3,5,7,11}. A147572

Number of regions formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius. A371253

Number of non-congruent solutions of x² + y² + z² + t² == 0 mod n. A240547

Numbers which are the area of exactly three Pythagorean triangles. A177021

Numbers with prime factorization p·q*r·s²*t³ (where p, q, r, s, t are distinct primes). A190111

Number of solutions to x² + y² + z² + t² == n (mod 2·n) for x,y,z,t in [0, 2·n). A229294

a(n) = ∑_j=0..n/2 binomial(n-j-1,n-2·j)*binomial(2·n+1,j). A278618

Coefficients of polynomials related to ordered set partitions. Triangle read by rows, T_m(n, k) for m = 3 and 0 <= k <= n. A326587