Properties of the Number -61021

Sixty-One Thousand Twenty-One

Basics

Value: -61022 → -61021 → -61020

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 139 × 439

Divisors: 1, 139, 439, 61021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1110111001011101

Octal: -167135

Duodecimal: -2B391

Hexadecimal: -ee5d

Square: 3723562441

Square Root: 247.02429030360557

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 4 X n arrays containing n copies of 0..4-1 with every element equal to or 1 greater than any north, northeast or northwest neighbors modulo 4 and the upper left element equal to 0. A267265

a(n) is the number of sets of distinct four-cuboid combinations that fill an n X n X n cube excluding combinations that contain cube-shaped cuboids. A386756

Number of n X n binary arrays with all ones connected only in a 1000-1101-0111 pattern in any orientation. A147162

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1101-0111 pattern in any orientation. A147164