Properties of the Number 39953

Thirty-Nine Thousand Nine Hundred Fifty-Three

Basics

Value: 39952 → 39953 → 39954

Parity: odd

Prime: Yes

Previous Prime: 39937

Next Prime: 39971

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 39953

Divisors: 1, 39953

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110000010001

Octal: 116021

Duodecimal: 1B155

Hexadecimal: 9c11

Square: 1596242209

Square Root: 199.88246546408217

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

Primes having only {3, 5, 9} as digits. A260227

Expansion of 1/(1 - x/(1 - 4·x)^1/2)². A382539

Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k UUDD's starting at level 0; here U=(1,1), D=(1,-1) (0<=k<=floor(n/2)). A114486

Viggo Brun's ternary continued fraction algorithm applied to { log 2, log 3/2, log 5/4 } produces a list of triples (p,q,r); sequence gives p values. A359742

Number of triples {i,j,k}, i>1, j>1, k>1, such that i·j*k < n³. A37092

Least prime pn such that there is a set p1 < p2 < ... < pn of primes such that, for any distinct p and q in the set, p + q + 1 is prime. A362629

Primes p such that number of primes produced according to rules stipulated in Honaker's A048853 is 2. A50664

a(n) is the number of equivalence classes of simple, open polygonal chains consisting of two segments and with all three vertices on the lattice points of an n X n grid. A272053

Triangle of "canonical" optimal Golomb rulers. A39953