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Properties of the Number 27612

Twenty-Seven Thousand Six Hundred Twelve

Basics

Value: 27611 → 27612 → 27613

Parity: even

Prime: No

Previous Prime: 27611

Next Prime: 27617

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 2 × 3 2 × 13 × 59

Divisors: 1, 2, 3, 4, 6, 9, 12, 13, 18, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110101111011100

Octal: 65734

Duodecimal: 13B90

Hexadecimal: 6bdc

Square: 762422544

Square Root: 166.16858908951474

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

Number of enriched identity p-trees of weight n. A331875
Star of David matchstick numbers: a(n) = 6·n*(3·n+1). A45946
Permutation of natural numbers: a(n) = A048673(A244319(n)). A245610
a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2p and p is the unique integer such that 2p < n - 1 <= 2p+1, starting with a(1) = 1, a(2) = 3, and a(3) = 1. A49966
Least magic constant of magic squares using Smith numbers. A170928
Numbers k for which 8·k+1, 8·k+5, 8·k+7 and 8·k+11 are primes. A123983
Number of n X 3 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A280549
Numerator of 1/n + 2/(n-1) + 3/(n-2) + ... + (n-1)/2 + n. A27612
Number of set partitions of {1, ..., n} that avoid 3-crossings. A108304
T(n,k)=Number of nXk 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A280554