Properties of the Number 27407

Twenty-Seven Thousand Four Hundred Seven

Basics

Value: 27406 → 27407 → 27408

Parity: odd

Prime: Yes

Previous Prime: 27397

Next Prime: 27409

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 27407

Divisors: 1, 27407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101100001111

Octal: 65417

Duodecimal: 13A3B

Hexadecimal: 6b0f

Square: 751143649

Square Root: 165.5505964954521

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 k such that lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k). A112818

Triangle read by rows: T(n,k) is the number of sets of integer-sided rectangular pieces that can tile an n X k rectangle, 1 <= k <= n. A360629

Number of sets of integer-sided rectangular pieces that can tile an n X n square. A360630

Number of bracelets (turnover necklaces) of n beads of 2 colors, 9 of them black. A32281

Primes p such that prime(p)² - 2 = prime(q) for some prime q. A261354

Primes of the form p = prime(k+1) such that prime(k) = (prime(k+3)+prime(k-1))/2. A126239

Primes p such that 2·p+q and 2·p+r are prime, where q and r are the next two primes after p. A340225

Primes p such that 4·p and 6·p are each the sum of two consecutive primes. A164133

a(n) = the first member of a twin prime pair whose sum equals the sums of n consecutive pairs of twin primes. A226719

Primes p such that p+2, p+24 and p+246 are also primes. A235871