Properties of the Number 553

Five Hundred Fifty-Three

Basics

Value: 552 → 553 → 554

Parity: odd

Prime: No

Previous Prime: 547

Next Prime: 557

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 79

Divisors: 1, 7, 79, 553

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000101001

Octal: 1051

Duodecimal: 3A1

Hexadecimal: 229

Square: 305809

Square Root: 23.515952032609693

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

Central polygonal numbers: a(n) = n² - n + 1. A2061

Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w² + x·y = 0. A211422

Sum of remainders of n mod k, for k = 1, 2, 3, ..., n. A4125

Indices k such that (1/3)*(prime(k)+prime(k+1)+prime(k+2)) is a prime. A64113

Number of integer partitions of n with reverse-alternating sum >= 0. A344607

Numbers k such that the k-th composition in standard order is a permutation (of an initial interval). A333218

Sum of divisors of square numbers. A65764

Quarter-squares plus 1 (that is, a(n) = A002620(n) + 1). A33638

Length of shortest (or optimal) Golomb ruler with n marks. A3022

Number of integer partitions of 2n with reverse-alternating sum >= 0. A344611