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Properties of the Number 45901

Forty-Five Thousand Nine Hundred One

Basics

Value: 45900 → 45901 → 45902

Parity: odd

Prime: No

Previous Prime: 45893

Next Prime: 45943

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 197 × 233

Divisors: 1, 197, 233, 45901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011001101001101

Octal: 131515

Duodecimal: 22691

Hexadecimal: b34d

Square: 2106901801

Square Root: 214.24518664371436

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

Base-2 expansion of a(n) encodes the steps where numbers of the form 4k+3 are encountered when map x -> A252463(x) is iterated down to 1, starting from x=n. A292383
Iccanobirt numbers (13 of 15): a(n) = R(R(a(n-1)) + a(n-2) + R(a(n-3))), where R is the digit reversal function A004086. A102123
Denominators of continued fraction convergents to sqrt(467). A41891
(n - φ(n)) | σ(n) for composite n not congruent to 2 (mod 4). A55164
Iccanobirt semiprimes (13 of 15): Semiprime numbers in A102123. A102203
Concatenation of ((p mod 4) - 1)/2 for the primes from 3 through prime(n), converted from binary to decimal. A362583
Number of subsets of {1,2,...,n} such that no two elements differ by 2 or 5. A375977
a(n) = n! * [xn] exp(x*(1 + n·exp(x))). A389833
Number of (n+1)X6 0..1 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..1 introduced in row major order. A205223
Group the natural numbers into blocks: B1 = 1, B2 = 2,3,4, B3 = 5,6,7,8,9, ..., each block ending in a square. Permute each block Bk by beginning with the central term, followed by the transposed symmetric pairs from Bk. A45901