Properties of the Number -420750

Four Hundred Twenty Thousand Seven Hundred Fifty

Basics

Value: -420751 → -420750 → -420749

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 ³ × 11 × 17

Divisors: 1, 2, 3, 5, 6, 9, 10, 11, 15, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100110101110001110

Octal: -1465616

Duodecimal: -1835A6

Hexadecimal: -66b8e

Square: 177030562500

Square Root: 648.6524493131895

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

Unitary sociable numbers of order 4. A319902

Irregular triangle with 4 columns which contains in each row the members of a 4-cycle under the map x->A063919(x), iteration of summing the proper-unitary divisors. A98188

a(n) = reverse(2ⁿ) mod 2ⁿ. A103166