Properties of the Number 27975

Twenty-Seven Thousand Nine Hundred Seventy-Five

Basics

Value: 27974 → 27975 → 27976

Parity: odd

Prime: No

Previous Prime: 27967

Next Prime: 27983

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 373

Divisors: 1, 3, 5, 15, 25, 75, 373, 1119, 1865, 5595

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110101000111

Octal: 66507

Duodecimal: 14233

Hexadecimal: 6d47

Square: 782600625

Square Root: 167.2572868367773

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 n-dimensional partitions of 5. A8779

Numbers of the form 86+p² (where p is a prime). A138692

a(1) = 1; a(n) = ∑_{d∣n, d < n} p(n/d) * a(d), where p = A000041 (partition numbers). A328424

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are > p/2. A282725

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 1, 1), (0, 0, 1), (1, -1, 0), (1, 0, -1)}. A148333

a(n) is the n-th diagonal sum of left justified array T given by A027960. A27975