Properties of the Number 77672

Seventy-Seven Thousand Six Hundred Seventy-Two

Basics

Value: 77671 → 77672 → 77673

Parity: even

Prime: No

Previous Prime: 77659

Next Prime: 77681

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 7 × 19 × 73

Divisors: 1, 2, 4, 7, 8, 14, 19, 28, 38, 56

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010111101101000

Octal: 227550

Duodecimal: 38B48

Hexadecimal: 12f68

Square: 6032939584

Square Root: 278.69696804952866

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 arrangements of n nonattacking Queens on an n X n board, with no Queens on both main diagonals. A225740

Where records occur in A063574. A75662

Number of length 2+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero. A252178

a(1) = 1; for n > 1, a(n) = smallest triangular number which is n times another triangular number > 1, or -1 if no such number exists. A77672