Properties of the Number -155403

One Hundred Fifty-Five Thousand Four Hundred Three

Basics

Value: -155404 → -155403 → -155402

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 31 × 557

Divisors: 1, 3, 9, 31, 93, 279, 557, 1671, 5013, 17267

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101111100001011

Octal: -457413

Duodecimal: -75B23

Hexadecimal: -25f0b

Square: 24150092409

Square Root: 394.211871967347

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) = 6·a(n-1)-8·a(n-2)-3 for n > 4; a(0)=179, a(1)=1571, a(2)=12511, a(3)=155403, a(4)=572951. A177682

Triangular numbers n such that each decimal digit of n is equal to the difference of at least two other digits of n. A255917

Row sums of triangle A093922. A93925

Triangular numbers T such that T+10 is the next prime after T. A129540