Properties of the Number 18952

Eighteen Thousand Nine Hundred Fifty-Two

Basics

Value: 18951 → 18952 → 18953

Parity: even

Prime: No

Previous Prime: 18947

Next Prime: 18959

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 23 × 103

Divisors: 1, 2, 4, 8, 23, 46, 92, 103, 184, 206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101000001000

Octal: 45010

Duodecimal: AB74

Hexadecimal: 4a08

Square: 359178304

Square Root: 137.66626311482418

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

Numbers n such that Bernoulli number B_n has denominator 1410. A272369

T(n,k)=Number of length n+2 0..k arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero. A251428

Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is the inverse of an integer. A272034

Records in A333549. A333550

a(n) is the number of terms less than A276086(n) in the range of A276086, where A276086 is the primorial base exp-function. A376411

Sophie Germain 5-almost primes. A211162

a(n) = a(n-1) + a(n-2) - n·a(floor(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3. A298401

a(n) = 36·n² - 4·n (n>=1). A304380

a(n) = ∑_j=1..n ∑_k=1..n τ(j·k). A372674

Expansion of (1+2·x-x³) / (1-x-5·x²+x³+2·x⁴). A384641