Properties of the Number -101920

One Hundred One Thousand Nine Hundred Twenty

Basics

Value: -101921 → -101920 → -101919

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 5 × 7 ² × 13

Divisors: 1, 2, 4, 5, 7, 8, 10, 13, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000111000100000

Octal: -307040

Duodecimal: -4AB94

Hexadecimal: -18e20

Square: 10387686400

Square Root: 319.24911902775864

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

Exponential transform of Stirling1 triangle A008275. A55924

Triangle read by rows: expansion of p(t) = (1 + t)^x/(1 + (1 + t)ⁿ) with weight factor 2ⁿ⁺¹*n!. A137369

Triangle T, read by rows, where g.f. of row n of Tⁿ = (y + n*(n+1))ⁿ for n>=0 and Tⁿ denotes the n-th matrix power of T. A132875

A certain partition array in Abramowitz-Stegun order (A-St order), called M₃(4)/M₃. A134150

a(n) = gcd(d(n!³), d(n!)), where d() is the number of divisors function. A69783

Positive numbers m such that m² - 1 divides 4^m - 1. A271842

a(n) = n*(n+1)*(5·n+1)/3. A174814

Low temperature series for spin-1/2 Ising specific heat on 2D square lattice, multiplied by 4. A29873

Decagonal numbers divisible by 10. A117797

Triangle read by rows, T(n, k) = Bell(k) * |Stirling1(n, k)|. A355260