Properties of the Number 27477

Twenty-Seven Thousand Four Hundred Seventy-Seven

Basics

Value: 27476 → 27477 → 27478

Parity: odd

Prime: No

Previous Prime: 27457

Next Prime: 27479

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 43 × 71

Divisors: 1, 3, 9, 43, 71, 129, 213, 387, 639, 3053

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110101101010101

Octal: 65525

Duodecimal: 13A99

Hexadecimal: 6b55

Square: 754985529

Square Root: 165.76187740249566

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

Partial sums of A002522, starting at n=1. A145066

Number of tandem duplication trees on n duplicated gene segments. A86521

Triangular array: For n >= 2 and 0 < k <= n - 2, T(n, k) equals the number of (unrooted) duplication trees on n gene segments that are canonical and whose leftmost visible duplication event is (k, r), for 1 <= r <= (n - k)/2. A264870

Array read by antidiagonals: T(m,n) (m >= 0, n >= 0) = number of max-and-min-closed constraints between an m-element set and an n-element set. A372068

Dirichlet convolution of the integer partition numbers A000041 with the strict partition numbers A000009. A323765

Numbers k such that 219·2^k+1 is prime. A32486

L-th order palindromes with L > 2. A89381

Triangle of the square of the normalized, unsigned Stirling matrix of the first kind. A27477

Table read by antidiagonals: A(n,1) = 2n-1, and for k > 1, A(n,k) = A372289(A(n,k-1)+A(n,1)). A372313