Properties of the Number 27790

Twenty-Seven Thousand Seven Hundred Ninety

Basics

Value: 27789 → 27790 → 27791

Parity: even

Prime: No

Previous Prime: 27779

Next Prime: 27791

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 7 × 397

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 397, 794

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110110010001110

Octal: 66216

Duodecimal: 140BA

Hexadecimal: 6c8e

Square: 772284100

Square Root: 166.70332930088708

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 rooted trees where each node has at most 4 children. A36718

T(n,k)=Number of nXk 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A224391

Number of ways to write n as an ordered sum of 5 prime powers (including 1). A341134

Number of partitions p of n such that min(p) + (number of parts of p) is not a part of p. A238495

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - 1, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294545

Column 4 of triangle A091602. A91607

Number of increasing trees with branches of height 1. A125307

Sequence of alternating increasing odd and increasing even numbers such that the sum of any two terms of opposite parity is a prime number. A162662

Number of nX4 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A224387

Number of 3 X n 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A224392