Properties of the Number 35840

Thirty-Five Thousand Eight Hundred Forty

Basics

Value: 35839 → 35840 → 35841

Parity: even

Prime: No

Previous Prime: 35839

Next Prime: 35851

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ¹⁰ × 5 × 7

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000110000000000

Octal: 106000

Duodecimal: 188A8

Hexadecimal: 8c00

Square: 1284505600

Square Root: 189.31455305918772

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

12-almost primes (generalization of semiprimes). A69273

Triangle read by rows: terms T(n,k) of a binomial decomposition of 2ⁿ-1 as Sum(k=0..n)T(n,k). A244125

a(n) = (3·n-1) * 2^n-2. A53220

Dimensions of representations by Witt vectors. A6973

G.f.: ∏_n>=1 (1 + a(n)*xⁿ/n!) = exp(x). A137852

Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 9. A195093

∏_n>=1 1 / (1 - a(n)*xⁿ/n!) = 1 + tanh(x). A353912

Triangle of coefficients of polynomials v(n,x) jointly generated with A209143; see the Formula section. A209144

Irregular triangle read by rows: T(n,m) = coefficients in a power/Fourier series expansion of an arbitrary anharmonic oscillator's exact phase space trajectory. A276738

Boustrophedon transform of triangular numbers. A746