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Properties of the Number 27672

Twenty-Seven Thousand Six Hundred Seventy-Two

Basics

Value: 27671 → 27672 → 27673

Parity: even

Prime: No

Previous Prime: 27653

Next Prime: 27673

Digit Sum: 24

Digital Root: 6

Palindrome: Yes

Factorization: 2 3 × 3 × 1153

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1153, 2306

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110110000011000

Octal: 66030

Duodecimal: 14020

Hexadecimal: 6c18

Square: 765739584

Square Root: 166.34903065542642

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

Split positive integers into extending even groups and sum: 1+2, 3+4+5+6, 7+8+9+10+11+12, 13+14+15+16+17+18+19+20, ... A61317
Number T(n,k) of binary search trees of height k having n internal nodes; triangle T(n,k), n>=0, max(0,floor(log2(n))+1)<=k<=n, read by rows. A335919
Irregular triangle read by rows: T(n,k) = number of k-sided polygons formed when connecting infinite lines between all vertices and all points that divide the sides of an equilateral triangle into n equal parts, for k = 3, 4, ..., maxk. A346446
Palindromes with exactly 5 prime factors (counted with multiplicity). A46331
a(n) = 1728·n + 24. A157325
Palindromes which are sums of two consecutive primes. A162571
Number T(n,k) of endofunctions f on [n] satisfying f3(i) = i for all i in [k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A245958
Number of 3X3 0..n arrays with each 2X2 subblock determinant nonzero and the array of 2X2 subblock determinants symmetric under 90 degree rotation. A187529
Palindromes with successive increasing difference: a(k)-a(k-1) > a(k+1)- a(k). A71250
Noncube integers n such that n2 + 1 is the sum of 2 positive cubes. A267119