Properties of the Number -327645

Three Hundred Twenty-Seven Thousand Six Hundred Forty-Five

Basics

Value: -327646 → -327645 → -327644

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 × 809

Divisors: 1, 3, 5, 9, 15, 27, 45, 81, 135, 405

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1001111111111011101

Octal: -1177735

Duodecimal: -139739

Hexadecimal: -4ffdd

Square: 107351246025

Square Root: 572.4028301816825

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 compositions of the integer n with strictly smallest part in the first position. A79501

Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234.... A68804

a(n) is the smallest triangular number T(k) such that both it and its successor T(k+1) have exactly 2n divisors, or 0 if no such pair of consecutive triangular numbers exists. A319036

Table read by rows: T(n,k) is the smallest triangular number that begins a run of exactly k consecutive triangular numbers with n divisors, or 0 if no such run exists. A319038

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (1, 0, -1)}. A148000