Properties of the Number 3555

Three Thousand Five Hundred Fifty-Five

Basics

Value: 3554 → 3555 → 3556

Parity: odd

Prime: No

Previous Prime: 3547

Next Prime: 3557

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 79

Divisors: 1, 3, 5, 9, 15, 45, 79, 237, 395, 711

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100011

Octal: 6743

Duodecimal: 2083

Hexadecimal: de3

Square: 12638025

Square Root: 59.62382074305537

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

Values of n such that n²-2 and n²+2 are both prime. A108701

Numbers k for which nontrivial positive magic squares of exactly 7 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005. A125014

Triangle read by rows: T(n,m) (n >= m >= 1) = number of vertices formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares. A331453

Expansion of ∏_k>0 (∑_m>=0 x^k·m²). A300446

Number of partitions of n into distinct parts for which (number of odd parts) <= (number of even parts). A239240

Indices of local minima in A109812. A352359

Numbers in which 5 outnumbers all other digits together. A292735

Number of integer partitions of n whose negated first differences (assuming the last part is zero) are not unimodal. A332744

L.g.f.: ∑_n>=1 xⁿ/n * ∏_d∣n (1 + d·xⁿ)^d. A205483

Positions of 9 in A274640. A275193