Properties of the Number -155169

One Hundred Fifty-Five Thousand One Hundred Sixty-Nine

Basics

Value: -155170 → -155169 → -155168

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 821

Divisors: 1, 3, 7, 9, 21, 27, 63, 189, 821, 2463

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101111000100001

Octal: -457041

Duodecimal: -75969

Hexadecimal: -25e21

Square: 24077418561

Square Root: 393.9149654430509

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(0)=0, a(1)=1, a(n) = ( (a(n-1)+a(n-2)) XOR n) + n. A182506

Numbers n such that (n + digit sum of n) and (n + digit product of n) are nontrivial permutations of the digits of n. A246421