Properties of the Number 42315

Forty-Two Thousand Three Hundred Fifteen

Basics

Value: 42314 → 42315 → 42316

Parity: odd

Prime: No

Previous Prime: 42307

Next Prime: 42323

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 13 × 31

Divisors: 1, 3, 5, 7, 13, 15, 21, 31, 35, 39

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101001011

Octal: 122513

Duodecimal: 205A3

Hexadecimal: a54b

Square: 1790559225

Square Root: 205.70610102765548

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

Odd infinitary abundant numbers. A127666

Odd unitary abundant numbers. A129485

Number of n-bead bracelets (turnover necklaces) of two colors with 6 red beads and n-6 black beads. A5513

Odd squarefree abundant numbers. A112643

Triangle read by rows where T(n,k) is the number of separable type set partitions of {1..n} into k blocks. A386635

Primitive, odd, squarefree abundant numbers. A249263

Odd numbers with exactly 5 distinct prime factors. A46391

Denominator of ∑_k=1..n 1/A045542(k). A214391

Decimal encoding T(n,k) of the k-th non-averaging permutation of [n]; triangle T(n,k), n >= 0, k = 1..A003407(n), read by rows. A292523

The triangle in A151338 read by rows downwards. A151509