Properties of the Number 39249

Thirty-Nine Thousand Two Hundred Forty-Nine

Basics

Value: 39248 → 39249 → 39250

Parity: odd

Prime: No

Previous Prime: 39241

Next Prime: 39251

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 89

Divisors: 1, 3, 7, 9, 21, 49, 63, 89, 147, 267

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001100101010001

Octal: 114521

Duodecimal: 1A869

Hexadecimal: 9951

Square: 1540484001

Square Root: 198.1136037731887

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

a(n) = (2·n+1)*(4·n²+4·n+3)/3. A57813

Triangular matrix T, read by rows, that satisfies: SHIFT_LEFT(column 0 of T^p) = p*(column p+3 of T), or [T^p](m,0) = p·T(p+m,p+3) for all m>=1 and p>=-3. A111544

a(n) = A273059(4n+3). A275919

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=2, I={0,1}. A80013

Expansion of exp( ∑_n>=1 -σ(9·n)*xⁿ/n ) in powers of x. A283169

Numbers k in A228058 such that also A001065(k) is in A228058. A325380

a(n) = (2·n+1)*(10·n+1). A33574

Reduced denominators of the fraction of primes < 10ⁿ that are full reptend primes. A103363

Number of (1+1) X (n+1) arrays of permutations of 0..n·2+1 with each element having directed index change -1,1 0,-1 0,1 or 1,0. A264507

A sequence generated from the Narayana triangle considered as a matrix, or from Pascal's triangle. A95266