Properties of the Number -155155

One Hundred Fifty-Five Thousand One Hundred Fifty-Five

Basics

Value: -155156 → -155155 → -155154

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 11 × 13 × 31

Divisors: 1, 5, 7, 11, 13, 31, 35, 55, 65, 77

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101111000010011

Octal: -457023

Duodecimal: -75957

Hexadecimal: -25e13

Square: 24073074025

Square Root: 393.89719470948256

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

Structured rhombic dodecahedral numbers (vertex structure 9). A100157

Triangle T(n,k) read by rows = number of partitions of n-set into k blocks with distinct sizes, k = 1..A003056(n). A131632

Area ar/6 (divided by 6) of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q²-p², c=q²+p², b=2·p*q, ar=a·b/2; s=a+b+c, s-+1 are primes. A155177

Number of shapes of grid-filling curves of order 4·n+1 (on the square grid) with turns by +-90 degrees that are generated by Lindenmayer-systems with just one symbol apart from the turns. A265685

Odd square pyramidal numbers. A15221

Number of set partitions of [n] into three blocks with distinct sizes. A272515

a(n) is the smallest square pyramidal number divisible by exactly n square pyramidal numbers. A359094

a(n) = A110936(n)/6 for n >= 3. A366923