Properties of the Number -101270

One Hundred One Thousand Two Hundred Seventy

Basics

Value: -101271 → -101270 → -101269

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 13 × 19 × 41

Divisors: 1, 2, 5, 10, 13, 19, 26, 38, 41, 65

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000101110010110

Octal: -305626

Duodecimal: -4A732

Hexadecimal: -18b96

Square: 10255612900

Square Root: 318.2294769502033

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

Expansion of ∑_k>0 x^4·k/(1+x^k)⁵. A363618

Binomial coefficient binomial(n,4) = n*(n-1)*(n-2)*(n-3)/24. A332

Number of intersections of diagonals in the interior of a regular n-gon. A6561

Binomial coefficients formed from consecutive primes: a(n) = binomial( prime(n+1), prime(n) ). A58077

Number of interior points that are the intersections of exactly two chords in the configuration A006561(n). A292104

Binomial coefficients binomial(2·n-3,4). A53126

Binomial coefficient C(n,37). A10990

a(n) = lcm(n, n+1, n+2, n+3)/12. A67047

Triangle, read by rows, where T(n,k) = C( n*(n+1)/2 + n-k + 1, n-k), for n>=k>=0. A121335

List of numbers that are both pentagonal (A000326) and binomial coefficients C(n,4) (A000332). A145920