Properties of the Number -155641

One Hundred Fifty-Five Thousand Six Hundred Forty-One

Basics

Value: -155642 → -155641 → -155640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 23 × 67 × 101

Divisors: 1, 23, 67, 101, 1541, 2323, 6767, 155641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -100101111111111001

Octal: -457771

Duodecimal: -760A1

Hexadecimal: -25ff9

Square: 24224120881

Square Root: 394.51362460629923

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

a(n) = ∑_i=0..n digsum₇(i)⁴, where digsum₇(i) = A053828(i). A231679

Triangle read by rows: T(n,k) = 2·A011971(n,k) - 1. A136791