Properties of the Number 55945

Fifty-Five Thousand Nine Hundred Forty-Five

Basics

Value: 55944 → 55945 → 55946

Parity: odd

Prime: No

Previous Prime: 55933

Next Prime: 55949

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 67 × 167

Divisors: 1, 5, 67, 167, 335, 835, 11189, 55945

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101010001001

Octal: 155211

Duodecimal: 28461

Hexadecimal: da89

Square: 3129843025

Square Root: 236.5269540665503

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) = n³ + 4·n² - 5·n + 1. A241577

Numbers k such that k² + 1 is divisible by precisely five distinct primes where the sum of the largest and the smallest is equal to the sum of the other three. A192771

Triangle read by rows in which the n-th row contains the n smallest triangular numbers with the least significant digits of the n-th triangular number. A95225

Triangular numbers composed of digits {4,5,9}. A119208

Triangular numbers which are an average of four consecutive primes. A226196

Triangular numbers with sum of digits = 28. A68132

Triangular numbers which are one more than a product of distinct triangular numbers. A83517

Numbers k such that the sum of the largest and the smallest prime divisor of k² + 1 equals the sum of the other distinct prime divisors. A199924

Triangular numbers representable as b! + c². A230364

Numbers k such that k divides the sum of the digits of k^3k. A383746